Tôi đã từng nghe radio.

• I used to listen to the radio.

• I used to listened to the radio.

• I use to listen to the radio.

• I use to listened to the radio.

Anh ấy đã từng không chơi game.

• He didn't use to play games.

• He didn't used to play games.

• He doesn't use to play games.

• He didn't use to played games.

Bạn đã từng cưỡi ngựa chưa?

• Did you use to ride a horse?

• Did you used to ride a horse?

• Did you use to rode a horse?

• Did you used to rode a horse?

My family ... live in the city but now we live on a farm.

• used to

• didn't use to

• didn't used to

• use to

I love chocolate but I ... like it when I was younger.

• didn't use to

• used to

• didn't used to

• use to

The correct sentence is

• I was watching TV when she came home.

• I watched TV when she was coming home.

• I was watch TV when she came home.

• I was watching TV when she come home.

The correct sentence is

• She was doing her homework while I was reading books.

• She did her homework while I was reading books.

• She was doing her homework while I read books.

• She was doing her homework while I were reading books.

The correct sentence is

• I wasn't reading my book at 10 last night.

• I didn't read my book at 10 last night.

• I weren't reading my book at 10 last night.

• I wasn't read my book at 10 last night.

The correct sentence is

• Did you watch TV yesterday?

• Were you watching TV yesterday?

• Did you watching TV yesterday?

• Did you watched TV yesterday?

The correct sentence is

• I got home while you were cooking.

• I was getting home while you cooked.

• I got home while you cooked.

• I was getting home while you were cooking.