Вставь в пропуски глаголы do/does либо don39;t/doesn39;t 1)____ you skate?-Yes, ____.

1) Do you skate? -Yes, I do.

2) Does his auntie ski? -Yes, she does.

3) Do these boys play?-No, they dont.

4) Do you and Sam ski? -Yes, we do.

Do is the auxiliary verb of Present Indefinite. We form negative and interrogative with the help of this auxiliary. Do is used for all the persons for singular and plural except the third person singular. For the third person singular we use does. Negative form is doesnt.

I do.          We do. 

You do.      You do.

He does.    They do. 

She does.

It does.