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1. Before she had watched TV, she had done her homework.
=> Had watched thành watched
2. Tom was seeing an accident while he was standing at the bus stop.
=> Was seeing thành saw
3. I read this novel several times.
=> Read thành have read
4. My mother sometimes buy vegetables at this market.
=> Buy thành buys
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CHữa lỗi sai:
1. Juha's wife cooked the meal , and waited for long . So->but he didn't come back..................................
2. Because->Although she worked hard , she had nowhere to live...............................
3. While->When I came , her grandmother was telling her a story................................
4. You mustn't to tell->tell everyone what I just told you.....................................
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Ex 2 : Sửa lỗi sai trong các câu sau
1 . I was play-> playing football when she called me .
2 . Was->Did you study Math at 5 p.m yasterday ?
3 . What was she do->doing while her mother was making lunch ?
4. Where did you went->go last Sunday ?
5 . They weren't sleep->sleeping during the meeting last Monday
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Tìm lỗi sai và sửa
1/ While her mother arrived home, it was raining heavily
While➜When
2/ the accident was happening when it got dark
was happening➜happened
3/ my brother was playing football since he broke his arm
since➜when
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1 often is => is often
2 go => went
3 works => is working
4 drink => drinks
5 don't => not to
6 reading => is reading
7 happy => happily
8 sad => be sad
9 are => to be
10 speaks => speak
cho mk hỏi là câu 10 sao speak lại bỏ s mk nghĩ Nick là số ít thì phải chia V chứ
=> 1) While she come, I was reading her letter.
=> While she was coming. I was reading her letter.