PRESENT PERFECT

a. ¿when to use Present Perfect?

It is used for past actions still have an effect on the present.


Structure:
Sujet+Aux(have/has)+verb (participle past)+complement

c.Structura for Questions (L+A/L-A/S+A/S-A)

Aux(have/has)+Sujet+verb(participle past)+complement+?

               1                       2                          3                                         4                5

Example:

1. Have you given to the zoo?

(L+A)Yes, I have given to the zoo.

(L-A)No, I haven´t to the zoo.

(S-A)Yes, I have.

(S+A)No, I haven´t.

2. Has she  lived here for five years?

(L+A)Yes, she has lived here for five years.

(L-A)No, she hasn´t lived here for five years.

(S-A)Yes, she has.

(S+A)No, she hasn´t.

3. Have they had a dog in the house?

(L+A)Yes, they have had a dog in the house.

(L-A)No, they have had a dog in the house.

(S-A)Yes, they have.

(S+A)No, they haven´t.

4. Have you gone at San Andres island?

(L+A)Yes, we have gone at San Andres Island.

(L-A)No, we haven´t gone at San Andres Island.

(S-A)Yes, we have.

(S+A)No, we haven´t.

5. Has Peter driven car? 

(L+A)Yes, he has driven car.

(L-A)No, he hasn´t driven car.

(S-A)Yes, he has.

(S+A)No, he hasn´t.