The document discusses the present perfect tense in English. It covers the structure of the present perfect, which uses the auxiliary verbs have or has plus the past participle. It also covers irregular verbs in the past participle form and provides examples of affirmative, negative, and interrogative sentences in the present perfect. Finally, it provides exercises changing verbs into the present perfect and correcting agreement in sentences.

1. The present perfect

2. Bought
past
participle
a sport car
complement.
Subject + auxiliary have + past participle + complement.
Sarah and Richard
subject
+ Have
auxiliary
+ +
Structure

3. Irregular verds
Base form Simple past Past participle

4. Affirmative
She
subject
Has
to have
Visited.
past participle+ +

5. Negative
She
subject
hasn't
to have + not
Visited.
past participle
+
+

6. Interrogative
Has
to have
She
subject
visited?
past participle+ +

7. Check this
Contractions
Have
I
You ‘ve
We
They
Has
He
He ‘s
It

8. Change the following sentences of agreement
on the introduction that appears in the red circle
coplete.
Has Jonh lived here for ten years?
+ John
They have viited the museum several times
- Sarah
They
They haven’t worked at this retaurant for three year.
+
Mary has traveled to lots of countries.
? Has
I have already finihed all my work.
? Have

9. Change the verb into the correct form:
1. I (read) your book several times.
2. She (wear) that skirt many times.
3. My family (visit) Brazil a few times.
4. I (eat) already.
5. Marta (finish) her homework.
6. You (break) the glass again.
7. They (pay) for everything.
8. It (never snow) like that.