Respuestas
Present Perfect
We have been in this city for five years.
He has forgotten what I said.
We have lent money to you many times.
She has spoken with him several times.
I have been here before.
We have forgiven what she did.
They have lost my book.
He has read the book that you gave me yesterday.
She has finished her homework.
We have visited them once a week for the last year.
Modal auxiliares
She could take the children with her to Houston.
You might learn at least five new words every day.
You shall go to the bathroom at the end of the hall.
He should lend us the money which we need.
I will be a good student.
They would get very angry.
She may return later.
You must call her tomorrow.
She is absent from class today.
She may not be back by noon.
Espero que te ayude :)