Ответ:

Play

To see

Walk

Run

To have

Call

To be

To study

Speak

To learn

Объяснение:

He can play the piano.

I want to see that again.

You must walk the dog.

They should run faster.

It's fun to have friends.

I will call you later.

He would like to be a doctor.

We have to study very hard.

I don't speak Spanish.

We are here to learn.