This document provides instruction on forming and using the present perfect tense in English. It explains that the present perfect is formed using the auxiliary verb "have" and the past participle of the main verb. Examples are given of affirmative, negative, and interrogative sentences in the present perfect. The document also covers the expressions "there is" and "there are" and provides exercises for students to practice these grammar points.

1. NORTHEAST SCHOOL
OF AGRICULTURE
THIRD FOURT MONTH
PRACTICE ENGLISH III
ENGINEER OSCAR GARCIA
GROUP PRACTICE #3
NAME:
Lemus Monroy, Cristian Nelson Rene

2. Rules present perfect:
To form the present perfect, the auxiliary verb "to
have" in the present and the past participle of the
verb is used. For regular verbs, the past participle
is the simplest form of the past. See the lesson
on the simple past for more information on how to
form the past.

3. Subject Auxiliary Short Form Past Participle
I, You, We,
They have I've, you've, we've,
they've
talked, learned,
traveled...
He, She, It has he's, she's, it's talked, learned,
traveled...

4. Examples:
• Affirmative Sentences:
• I've talked to Peter. (He hablado con Peter.)
• She's gone to work. (Ha ido a su trabajo.)
• We've been to London. (Hemos ido a Londres.)
• They've learned English. (Han aprendido inglés.)

5. • Negative Sentences:
• I haven't talked to Peter. (No he hablado con Peter.)
• She hasn't gone to work. (No ha ido a su trabajo.)
• We haven't been to London. (No hemos ido a Londres.)
• They haven't learned English. (No han aprendido inglés.)

6. • Interrogative Sentences:
• Have you talked to Peter? (¿Has hablado con Peter?)
• Has she gone to work? (¿Ha ido a su trabajo?)
• Have you been to London? (¿Has ido a Londres?)
• Have they learned English? (¿Han aprendido inglés?)

7. Exercices Present Perfect
• _______ you _______ (be) to Asia?
• She _______ (not/study) for the exam.
• Adam and Natalie _______ (live) together for 3 years.
• Where _______ he _______ (go)?

8. • We _______ (not/leave) yet.
• I _______ (want) a new car for a long time.
• ___They _______ (bring) their children with them.____
• the bus (arrive) ________ yet?

9. Rules there is/are
• The expressions there is and there are used in English to
indicate that an object or a person is in a specified place. The
particularity of these structures is that there is not the real
subject of the verb to be, although it precedes.

10. Examples
• There is a book on the table.
• There are two books on the table.

11. Exercices there is/are
• _______ a book on the chair
• _______ any milk in the fridge?
• _______ some tea in the pot.
• _______ twenty children in the class.
• _______ two beds in your bedroom?

12. Video de Present Perfect
https://www.youtube.com/watch?v=P6aiGiWwvIU

13. Bibliography
http://www.curso-ingles.com/gramatica-inglesa/present-perfect.
php
http://www.curso-ingles.com/ejercicios-test-ingles/present-perfect.
php
http://www.vitutor.com/gramatica_inglesa/verbs/thereis_ej1.ht
ml