The document provides instructions on forming and using the present perfect tense in English. It discusses how to form the present perfect with regular and irregular verbs, and provides examples of affirmative, negative, and interrogative sentences in the present perfect. Key points include using "have/has + past participle" to form the tense, and that it is used for actions that started in the past and continue to the present.

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3. The present perfect is
often used for an action
which started at some
time in the past , and is
still continuing now .
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4. To form the PRESENT PERFECT
you need to remember that in English we have two kinds of verbs in this
tense, Regular Verbs and Irregular Verbs .
IRREGULAR VERBS Regular Verbs
Read /read/ read Play /played/ played
See /saw/ seen
Work/worked/worked
Do /did/ done
Eat/ ate/ eaten
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5. Past tense present tense
Now, I live in Mexico
I lived in USA in2001.
2008
Present Perfect tense
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I have lived in USA.

6. I have read that book before.
Affirmative:
She has already done her homework..
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7. Interrogative:
Have you seen the film before?
Has she seen the film before?
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8. Negative:
To form the Negative Form we just need to add NOT
Have not haven’t has not hasn’t
I have not played soccer in this team
We haven’t worked here since 2001
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9. Review
What have we done ??
Interrogative AFFIRMATIVE Negative
Yes, I have No, I haven’t
Have you ever eaten frog’s legs?
already eaten eaten yet
Has he ever gone to Tampico? Yes, he has No, I hasn’t
Has Mary ever had an accident? Yes she has No she hasn’t
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10. Question 1 :
Full in blank with present perfect simple
1. Susan and Carlos ____________________ to Europe twice this year. (go)
2. I _____________________ a ghost (not/see)
3. I ______________________ in this company since 2001. (work)
4. The teacher _____________________ the students with their homework. (help)
5. Luis _____________________ all the questions in the exam. (not/answer)
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11. Question 2 :
Complete the table in present perfect simple
AFFIRMATIVE negative Interrogative
He has written a letter.
They have not stopped.
Have we danced?
She has worked.
Andy has not slept.

12. Question 3 :
Write sentences in present perfect simple.
1. Phil / not / miss / the bus - -----------------------------------------------
2. they / not / plant / a tree - ------------------------------------------------
3. Vanessa / catch / the ball - ----------------------------------------------
4. we / sell / our old car - ----------------------------------------------------
5. the train / leave / the station---------------------------------------------

13. Question 4 :
Write questions in present perfect simple
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 you / correct / my mistakes --------------------------------------------
 they / finish / their homework –----------------------------------------
 you / practice / your English –-----------------------------------------
 the waiter / bring / the tea - --------------------------------------------
 Marilyn / pay / the bill - --------------------------------------------------
 you / ever / write / a poem --------------------------------------------