This document provides definitions and examples for medical terminology related to surgeons and operations. It includes: 1. A definition of surgeon as a doctor who performs operations. 2. Examples of matching medical terms like operation, treatment, injury, illness, and disease to their definitions. 3. A brief explanation of the difference between synonyms and antonyms, with examples related to the medical terms. 4. An introduction to using the present perfect tense in English to talk about past experiences without specifying times. It provides examples of positive, negative, and question sentence structures.

1. Unit Four
Lesson One

2. What does the term surgeon mean? Check “yes” for all descriptions that are part
of the definition of surgeon and “no” for those that do not explain surgeon.
Descriptions Yes No
1 Professors
2 Doctors
3 Perform shows
4 Focus on the old
5 Performs operations
Using all descriptions you checked as “yes”, complete the definition of surgeons.
A surgeon is ___________who ______________.

3. Read the sentences below. The bold words are from the podcast you will
read. Match the definitions in the box with the words in the bold. Write
the correct letters on the lines:
1. A doctor who performs operations.
2. Operation
3. A treatment or health care.
4. Harm, synonym: hurt
5. Physically or mentally hurt
6. Cure
7. Bad health that is the result of not having
enough food.
8. Disease
9. Sick, antonym: healthy
A. Richard felt ______ and did not go to school because
he felt sick.
B. The _____________ who performed my mother’s
surgery was kind.
C. Many children in Africa have physical problems
because of __________ due to lack of food.
D. Surgeons have to perform several _______ a day,
which must be difficult since they can last long.
E. Daniel is planning to go to the __________ where
she can get treated for her flu.
F. You should go to the clinic or health center to get a
____________ or cure for your migraine.
G. The girl was taken to hospital due to a serious head
_________ which is harmful.
H. The girl ____________ her head and she is in great
physical pain.
I. The doctor has told Michelle she suffers from mental
________ but like any disease it can be cured.

4. Synonyms Vs Antonyms
Now that we have covered the new vocabulary words of the lesson, let us write down
their synonyms or antonyms. Look at the previous page on activity two to complete the
tables below.
Word Synonym
Surgery
Injury
Treatment
Illness
Ill
Word Antonym
Ill

6. We use the present perfect to talk about experiences in the past. We usually
don’t say when we had the experience.
Example:
- We’ve trained hundreds of nurses. (Does it say when?)
- They’ve built a new clinic. (Does it say when?)
Have/has + Past Participle (Verb) = Present Perfect

7. Positive Sentences
Subject Have/Has Past Participle
I/ You/ We/They ‘ve (have)
worked
He/ She/ It ‘s (has)
Try it:
Have you traveled to Saudi Arabia?
Important
The difference between been and gone:
Example of have/has been:
I’ve been to France. (I’ve gone to France and I’ve come back.
Example of have/has gone:
He’s gone to France. (He’s gone and he is still in France at the moment.

8. Negative Sentences
Subject Have/Has + not Past Participle
I/ You/ We/They Haven’t (have not)
workedHe/ She/ It Hasn’t (has not)
Try it!
Have you traveled to India?

9. Making a Question
Have/Has + Subject
*(ever)
worked….?
Have I/ we/you/ they
Has he/ she/ it
Important
We often ask questions in the present perfect with Have you ever …? To ask about
experience.
Example:
Have you ever been to Japan?
Have you ever stayed in a really good hotel?
Important
Present Perfect short answers use: have/haven’t.
Example:
Yes, I have.
No, I haven’t.