I.

1.

-> He didn't use to have a scrapbook.

2.

-> When they were younger, they used to go to the beach

3.

-> I used to be very shy when I was young.

4.

-> My friend and I used to play chess and hide-and-seek when I was at primary school.

5.

-> I used to spend my vacation in a summer camp with my friends when I was young.

Cách làm :

used to + Vo ( đã từng làm / có )

didn't use to + Vo ( đã từng KHÔNG làm / có )

II.

1. 

-> I wish I knew where my wallet was.

2.

-> I wish Michael didn't play with the older boys.

3. 

-> I wish things were good in the country.

4.

-> I wish i could swim.

5.

-> I wish I could go out with Elena.

Cách làm :

Sau ' wish ' ta lùi thì.