This document provides information about parts of speech including nouns, verbs, adjectives, and adverbs. It gives examples of suffixes that indicate each part of speech. For nouns, common suffixes include -ment, -ance, and -ist. For verbs, common suffixes include -ate, -ify, and -ise. For adjectives, common suffixes include -al, -ous, and -ive. For adverbs, common suffixes include -ly. The document then provides directions and examples for identifying parts of speech in sentences, focusing on nouns, verbs, adjectives, and adverbs.

1. UNIT 1 PART OF SPEECH
NOUN VERB ADJECTIVE ADVERB PREPOSITION CONJUNCTION
วิธีการทาโจทย์
Example: They hired her because her _____ is international finance.
(A) special
(B) specially
(C) specialty
(D) specialize
ขั้นที่ 1 การแยกประเภทของคา โดยดูคาลงท้าย
เช่น คำที่ลงท้ำยด้วย -al มักเป็น Adjective Ex: experimental
คำที่ลงท้ำยด้วย -ate มักเป็น Verb Ex: investigate
คำที่ลงท้ำยด้วย -ment มักเป็น Noun Ex: investment
PART OF SPEECH

2. ADJECTIVE
-alof -ousอ้วนทุกคน กินเก่งจน -fulมำกมำย
-bleนั่นนี่ จนตำลำย น่ำ t -iveหลำย เพรำะอ้วนกลม
Example: experimental, dangerous, available etc.
VERB
-enได้หน้ำ ไม่ลืมหลัง เป็น -ateยัง ก็ไม่รู้
โดนด่ำ -ify เต็มหู เอำ -ise(-ize) ถูดู ก็ไม่หำย
ข่ำว -pressอยำก ทำ re- -port เอำรถมำจอด ตรงป้ำย -sign
นั่ง -sist-mitชิด อับอำย คนมำกมำย -pose ประจำน
อยำก -proveพิสูจน์ตัวเอง แต่ใจนักเลง con -fuseสับสน
คำดหวัง ex -pectให้คน re- -ceiveตน pre -ferซักวัน
Example: shorten, investigate, identify etc.

3. NOUN
น้อง -ant (-ance, -anse)
อยำก -ence (-ense) ติด
เป็น econom -ist นักเศรษฐศำสตร์
เป็น doct -or(-er, -ure) ก็เข้ำทำง
หรือ actr -ess นำงละคร
นั่ง -ship ไป Admiss -ion
memo -ry ทุกวัน จำไม่ไหว
ข้อสอบ difficul -ty ได้ใจ
-ment ยังไงก็ไม่ทัน
Example: applicant, expenditure, inventory etc.

4. Directions: Identify parts of speech.
acceptance knowledgeable competitive
heighten infer familiarity
voluntary comprehensive desist
compose substantiate feasibility
successful typical persist
repose expect economist
invention consign expanse
appliance supplier impressive
unintelligible partner respect
strengthen fantastical commitment
Exercise

5. ขั้นที่ 2 ดูช่องว่างให้ออกว่าเป็นคาประเภทใด
1) การสังเกต Noun
Possessive  ________________________________________
Preposition:
in into on at under below
before after to by beside next to
for over above across through towards
from of off about with in front of
behind between
การใช้สูตร
1) a ____ run 2) is ____ go 3) talk ____ me
4) ____ speak 5) on ____ the 6) their ___ ,
NOUN
Prepo.
V.
. , (ท้ายประโยค)
a/ an/ the
Possessive
Prepo.
V.
___. , (ต้นประโยค)

6. Directions: Identify nouns.
1. Many scientists recommend that the government reduce their ___
on non-renewable energy sources.
2. We plan to ___ the planned merger of the two companies as soon as
possible.
3. We overspent our budget last year, so we really need to ____ this
year.
4. The executive will use his ____ in determining how the research will
be conducted.
5. The ____ of the executives is scheduled for Monday.
6. We plan to hire a number of new staff members and will have to
____ our workspace in order to have room for them.
7. The ____ of our products is well known throughout the world.
8. Government experts ____ the stock market to do better in the
coming months.
9. Whenever out-of-town clients visit us, we do our best to ____ them.
10. I dislike radios playing in the office because they ____ me while I try
to work.
Exercise

7. 2) การสังเกต Verb
ในข้อสอบ TOEIC นิยมออก 3 แบบมำตรฐำน
❶
I, you, we, they, he, she, it
Noun
❷
to me, you, us, them, him, her, it
Noun
❸
Modal Verb: can, could, may, might,
will, would should, must
VERB
VERB
VERB
pure
pure

8. สรุป
Pr/N + V
To V + Pr/N
Modal Verb + V

9. Directions: Noun or Verb?
1. In order to ______ expenses on our trip, we have decided to
stay at a less luxurious hotel.
2. Unless you have a minimum of five years’ experience in this
filed, you won’t ______ for the job.
3. ______ can be the cause of many work delays.
4. The director is meeting with investors, as the company
would like to ______ operations.
5. Ms. Najar wants to ______ the costs by tonight.
6. Although improving, the unemployment problem ______.
7. If you cannot ______ those accusations, I want to hear no
more about it.
8. As soon as everybody is happy with the ______, we will sing
the papers.
9. The ______ of your speech cannot be more than 30 minutes.
10. We plan to hire a number of new staff members and will
have to ______ our workspace in order to have room for
them.
Exercise

10. 3) การสังเกต Adjective
ในข้อสอบ TOEIC นิยมออก 2 แบบมำตรฐำน
❶
Example: the successful person.
a spacious house
❷
Example: He is happy
You look beautiful.
NounADJECTIVE
Linking Verb
ADJECTIVE

11. ดู, ดูเหมือน: appear, seem, look
กลายเป็น: become, go, grow, get, turn
เหมือนเดิม: remain, keep, stay
ประสาทสัมผัส: feel, smell, taste, sound
NOTE:
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
OTHER LINKING VERBS

12. ● ลักษณะโจทย์ Adjective หน้า Noun
Example 1:
Ms. Jones always sends her orders out in a ______ fashion.
Example 2:
The woman who works here keeps her ______ equipment in the garage.
Test:
1) Make sure we don’t run out of the _____ products such as ink and paper.
(A) essential (B) essentially
2) Entering all the information about the inventory into the computer
_______ my job, but it has to be done.
(A) tedium (B) tedious
3) His _______ position on investing was frowned upon by the Board of
Directors.
(A) aggressive (B) aggression
Directions: Adjective or Not?
1. Bridget made the ______ entrance into the room.
2. Hamas made sweeping gains in these elections last year which
prepared the way ______ its election victory last week.
3. He wrote a letter of his ______ acceptance
4. Jordan ______ a supporter of the unconventional arms register.
Exercise
ช่องว่างอยู่หน้า N.
แต่อยู่หลัง a, an, the
หรือ Possessive

13. Adjective: หน้าช่องว่างจะไม่มี a, an, the
หรือ possessive
Noun: หน้าช่องว่างจะมี a, an, the
หรือ possessive
Adjective: หน้าช่องว่างมักจะไม่มี a, an, the หรือ possessive
Noun: หน้าช่องว่างมักจะมี a, an, the หรือ possessive
5. We have an ______ attendance of 4000 fans per game.
6. Their ______ supporters were asked to make a donation in exchange
for having their picture taken with the trophy.
7. Seems their automatic e-mail response ______ an acceptance of the
sale.
8. Access to the park ______ the entrance over the bridge, by boat or
by our nearby pontoon.
9. The doctor will have a record ______ her attendances.
10. We have started to work toward victory in the ______ election.
● ลักษณะโจทย์ Adjective หลัง Linking Verb
Example 1: We felt that the reports were ______.
We felt that the reports were the ____.
Example 2: The chairman of the board is ______ he has been married for
two years.
The chairman of the board is the ______ he has been married
for two years.
Example 3: Remember that feeling _______ is an important part of
working with the customers.
No one is willing to take _____ for the mistakes that were
made.

14. TEST:
Example 1: We felt that the reports were _________.
(A) useful (B) usefulness
We felt that the reports were the _________.
(A) acceptable (B) acceptance
Example 2: The chairman of the board is _________.
(A) curious (B) curiosity
The chairman of the board is our _________; he has been
married for two years.
(A) mentor (B) mental
Example 3: Remember that feeling ________ is an important part of
working with the customers.
(A) grateful (B) gratefulness
Remember that expecting _________ is an important part of
our business.
(A) profits (B) profitable
Directions: Select the best answer to complete
the sentence.
1. Being your own boss is the _______ of owning your own business.
(A) attractions (B) attractive
Exercise

15. 2. For the president who has been under fire for the way he deals with Exxon
company, the most challenging thing is how he will be ______ to complete the
ongoing economic restructuring without asking for any further sacrifices on the
part of workers.
(A) ability (B) able
3. In a field like politic what is ______ is not what is said but who says it.
(A) essential (B) essentiality
4. The man wearing a moustache standing to the right of Mr. Weaver is our ____.
(A) manageable (B) manager
5. New employees are encouraged to approach more senior staff to ask questions
as often as necessary until they feel ______ with their jobs.
(A) comfortable (B) comforter
6. The densely populated area was a ______ for infectious diseases.
(A) location (B) locate
7. Loans used to finance college education expenses usually have a relatively low
interest rate and, in some cases, are ______.
(A) deduction (B) deductible
8. There are the _______ to the problem of overpopulation.
(A) soluble (B) solutions
9. Managers often feel that customer satisfaction is an ______ of a company’s
success.
(A) indicator (B) indicate
10. Since its founding, the smith and Jones Law Office has become _______ in
Washington, D.C.
(A) famous (B) fan

16. 4) การสังเกต Adverb
สรุป: ตาแหน่ง Adverb ใน TOEIC
หน้ำ ประโยค
หน้ำ Adjective
หน้ำ V. หลัง V.
Adverb: ทำหน้ำที่ขยำย Verb, Adjective, Adverb
และขยำยประโยค ในข้อสอบมี 4 รูปแบบที่ออกบ่อยคือ
1. Adverb ประโยค
ADVERB, ประโยค
***กรณีไม่มี comma จะเป็น -ly ก็ต่อเมื่อมี Pronoun, a, an, the ***
1) _____ you worked hard…
2) _____ the water flows…
3) _____ water flows…
1
2
3
I, you, we, they, he, she, it
a, an, the + Noun

17. Test: ใช่ Adverb ไหม?
1) _____ she is…
2) _____ a train departs…
3) _____ pollution was…
2. Adverb ADJECTIVE + NOUN
Example1: impressively useful advice.
Example2: This report is surprisingly intelligible to understand.
Test: ใช่ Adverb ไหม?
1. I had hoped that the discussion would yield a definite answer from
them, but they were _______ noncommittal.
(A) total (B) totally
2. the manager wants a _______ productive advertisement.
(A) incredibly (B) incredible
3. Sales tax that tourists pay in a foreign country may be ________
refundable when they leave the country.
(A) complete (B) completely

18. หน้า V.ing/V.ed ต้องมี LV
3. LINKING VERB ADVERB V.ing/V.ed
Example: The applicant is nervously talking to the manager.
All offers of help will be greatly appreciated.
Directions: Adverb or Not?
1. ______, he was successful in the business.
A) Yes B) No C) Not sure
2. Most shopping malls are _____ Staffed during the holiday shopping
season.
A) Yes B) No C) Not sure
3. Disagreements about the consequences of globalization ______.
A) Yes B) No C) Not sure
4. Daily exercise and proper diet are ______ essential if one wants to
stay healthy.
A) Yes B) No C) Not sure
5. A business owner must ______ dozens of important decisions each day.
A) Yes B) No C) Not sure
Exercise

19. 6. The company was ______ losing its way and many employees were
leaving.
A) Yes B) No C) Not sure
7. The government’s secret papers were ______ released to the public
yesterday.
A) Yes B) No C) Not sure
8. A winter slowdown in the county’s Economy is ______ worrying some
Government analysis.
A) Yes B) No C) Not sure
9. The personal computer is probably one of the ________ of the last thirty
years.
A) Yes B) No C) Not sure
10. In this management position you will be overseeing three of the ______
valuable departments.
A) Yes B) No C) Not sure

20. Quick tip ตาแหน่งหน้า Verb อาจเป็น Noun ได้แต่หากเป็น
Adverb จะต้องมี Subject (Noun) อยู่ด้านหน้าอยู่แล้ว
Adverb อยู่หน้า Verb หลัก หลัง Verb ช่วย
4. Adverb หน้า Verb
Example1: Because of our high employee turnover, we ______
spend less money on salaries
Example2: The new enterprise _______ established an account
with the office supply store.
หากมี Verb ช่วย (Modal Verbs หรือพวก be, do, have)
Example: If you choose, the bank will ________ deduct regular
charges such as electric bill from your account.
Test: เป็นตาแหน่ง -ly หรือไม่
1) _____ can learn
2) must _____ speak
3) should _____ think
4) _____ may subtract
5) could _____ type

21. Directions: Identify Adverb.
1. The new manager _______ expanded the store’s inventory.
2. The new sales agent should _______ offer a full refund for the damaged
goods.
3. According to the agreement, the ______ will also supply the flowers for
the event.
4. _______ should not begin the work without the assurance of a signed
contract.
5. The computer has _______ updated the inventory files.
6. The _______ of the union bargainers will determine whether the
automotive plant will open next week.
7. _______ felt obligated to finish the project even though I could have
exercised my option to quit.
8. The program has _______ subtracted it from the inventory log.
9. Work on the ________ had to stop because of the cancellation of the
contract.
10. Our business _______ profited from hiring an expert accountant.
Exercise

22. Adverb หลัง Verb
แบบที่ 1 : Adverb ตามหลัง Verb เพียวๆ แบบไม่มี Object
1. หลัง Verb ทั่วไปเป็น Noun หรือ Adverb ก็ได้ต้องแปล
2. หากแปลไม่ออกตอบเป็น Adverb ไว้ก่อน
Example: I value my ability to communicate _______ with others.
(A) direction (B) directly
ตัวเลือก (A) ผมให้ควำมสำคัญกับควำมสำมำรถของผมในด้ำนกำรสื่อสำรทิศทางกับผู้อื่น
ตัวเลือก (B) ผมให้ควำมสำคัญกับควำมสำมำรถของผมในด้ำนกำรสื่อสำรอย่างตรงไปตรงมากับผู้อื่น
สรุปตัวซ้อน
1) be _________________
2) Verb (ทั่วไป) ___________
Test:
1) We are organized sufficiency/sufficiently to begin transferring the
palettes tomorrow.
2) Deductions are made electronic/electronically every month and will
appear on your statement.
3) Children’s car seats are inspected thorough/thoroughly and tested
for safety before being put on the market.
Tips

23. แบบที่ 2 : Adverb ตามหลัง Verb ที่มี Object
ตาแหน่งหลัง Noun อาจเป็น Verb ได้ แต่หากเป็น
Adverb จะมี Verb และ Object อยู่หน้าช่องว่าง
Example
1. Unless you catch the error _____, the discrepancy gets entered into the
computer and becomes very difficult to correct.
(A) immediate (B) immediately
2. The lenders ______ our creditability and decided to loan us money.
(A) evaluated (B) evanescently
3. Act cautiously when signing contracts and read them ______ first.
(A) through (B) thoroughly
4. The office manager ______ enough money to purchase software.
(A) allocated (B) allocatably
5. We spent our money ______ because we were not sure we would be able to
borrow more.
(A) cautious (B) cautiously
6. The brochure ______ several times before it was sent to the printer.
(A) was revised (B) revisably
7. Do not with hold any information from your accountant or he will not be able
to prepare your tax form ______.
(A) correct (B) correctly
Tips

24. 8. The computer program ______ the scheduling of appointments.
(A) facilitated (B) facilitatively
9. A quality control agent who does not inspect every product ______ can ruin his
company’s reputation.
(A) care (B) carefully
10. The applicant _____ all her paperwork in a professional and timely manner.
(A) submitted (B) submissively
สรุปตาแหน่ง Adverb
หน้าประโยค
________, the manager is smart.
หน้า Adj.
The manager is __________ creative.
หน้า V.ing หน้า V.ed
The manager was _________ talking.
The manager was _________ blamed.
หน้า V.
The manager _____ talked to me.
หลัง V.
The manager thinks ______.
The manager typed the report ______.

25. TIPS CUTTING MODIFIERS
ถ้าเจอ Adjective Adverb หน้าช่องว่าง ให้ตัดทิ้ง (ในใจ) จะได้มองเห็นคาตอบชัดขึ้น
โจทย์ Noun แบบ Normal
The managers had a ______ and were able to solve many of the problems.
โจทย์ Noun แบบมี Adjective มาคั่น
The managers had a productive _____ and were able to solve many of the
problems.
Example 1: Somehow the successive ____ were interrupted and had to
be edited again.
(A) images (B) imagine
Example 2: The creative _____ of the Seven Deadly Sins was astounding.
(A) represent (B) representation
Example 3: After turning up details in the crime that even the police had
missed, Helen became well known as an investigative ______.
(A) investigated (B) investigation
Adverbตัวคั่น
still no very not
most quite much more

26. โจทย์แบบ Normal :
Although improving, the unemployment problem _______.
โจทย์แบบมี Adverb คั่น :
Although improving, the unemployment problem still ______.
(A) persistence (B) persists
Example 1: People who have no ______ are seldom disappointed.
(A) expectations (B) expect
Example 2: You can always count on Ms. Cho, as she is one of our most
______ employees.
(A) dependable (B) dependence
Example 3: temporary workers can be very _______.
(A) economize (B) economical

27. SUBJECT & VERB AGREEMENT
สูตรเต็ม
ประธานมาอันเดียว หรือ นับไม่ได้
ยัด ‘s’ รวดดดดดด!!!!!
ยกเว้น I กับ you
Example:
1) She dance___ 2) Water flow___ 3) They smile___ at me
4) “I love__ you.”
“Oh! You love__ me.”

28. TEST:
1. Their son ______ too much TV.
(A) Watch (B) watches
2. Alex ______ to play tennis.
(A) love (B) loves
3. Jack and Andy _____ tennis every day.
(A) play (B) plays
4. I always ______ my homework on Saturday night.
(A) do (B) does
5. Money ______ important for us.
(A) is (B) are
6. The earth _____ round the sun.
(A) go (B) goes
7. People _______ to wait in line.
(A) hate (B) hates
8. Pollution ______ in big cities.
(A) increase (B) increases
9. The sun ______ in the east.
(A) rise (B) rises
10. Our boss ______ the project.
(A) work on (B) works on
สูตรลัด
ประธานไม่มี –S กริยาเติม –S
1) The researcher conduct___
2) Consumers expect___
3) Bad breath indicate___
4) Disasters damage___
6) Pollution harm___