Cho dạng đúng của động từ trong ngoặc:
1. She (can,swim)could swim when she (be)was seven.
2. You should (practice)practice (speak)speaking English every day.
3. He (go)goes to school by bike every day, but today he (go)goes by bus, because it (rain)rains heavily.
4. It's not easy (use)to use a computer well.
5. It (take)took me about two hours (clean)clean our house yesterday.
6. My sister is interested in (read)reading novel.
7. How many times you (be) to Sapa?
=>How many time have you been be to Sapa?
8. I'd rather (stay)stay at home today.
9. It's five years since he ( come)came back to his hometown.
10. I'd rather you (not, make)didn't make mistakes.
11. You (play) volleyball two hours ago?
=>Did you play volleyball two hours ago?
12. How long you (learn) English?
=>How long do you learn English?