1. We / used / wear / uniforms / when / we / be / school. 2. I / not / meet / my parents / since last Sunday. 3. He / say / he / be / back / following / day. 4. She / wish / she / have / new computer.

Cách làm:

1. Sắp xếp các từ theo thứ tự: We used to wear uniforms when we were at school.
2. Dùng trạng từ "since" để chỉ thời gian kể từ hành động cuối cùng xảy ra: I have not met my parents since last Sunday.
3. Sắp xếp lại thứ tự từ và sử dụng thì quá khứ đơn: He said he would be back the following day.
4. Sử dụng wish + quá khứ đơn để diễn đạt ước chừng không thể thực hiện: She wishes she had a new computer.

Câu trả lời:
1. We used to wear uniforms when we were at school.
2. I have not met my parents since last Sunday.
3. He said he would be back the following day.
4. She wishes she had a new computer.

She wished she could have a new computer.

She wishes she had a new computer.

He said he would be back the following day.

I have not met my parents since last Sunday.