Question

Вопрос № 1 He ... write a lot of letters. use to used to use​

Answer 1

Resposta:

We use used to when we refer to things in the past which are no longer true. It can refer to repeated actions or to a state or situation:

He used to play football for the local team, but he’s too old now.

That white house over there used to belong to my family. (It belonged to my family in the past, but not any more.)