Rewrite the sentences using used to or would. Whenever possible, use would. If neither are possible, write -.
9. I watched lots of horror movies when I was in my early teens.
10. Irene spent most of last weekend watching old films.
11. When he was younger, the actor didn't enjoy being away from home.
12. Did you go to the cinema much in your youth?
13. At the age of ten, my brother often ate a large bag of popcorn before the start of a film!
14. I was good at acting at school.

I would watch lots of horror movies when I was in my early teens.
(Также возможно: I used to watch lots of horror movies...)

Irene spent most of last weekend watching old films. → -
(Used to и would не используются для одного конкретного случая в прошлом.)

When he was younger, the actor didn't use to enjoy being away from home.
(Would здесь нельзя использовать, потому что это состояние, а не повторяющееся действие.)

Did you use to go to the cinema much in your youth?
(Would возможно в некоторых случаях: Would you go to the cinema much...?, но для вопроса о привычке чаще используют used to.)

At the age of ten, my brother would often eat a large bag of popcorn before the start of a film!
(Также возможно: My brother used to often eat...)

I used to be good at acting at school.
(Would нельзя использовать с состояниями, например be good at.)