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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
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.....................................
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
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
1) At breakfast yesterday, I did my homework and my dad was reading.
\(\rightarrow\) read
2) The farmer was riding to town while he fell off his house.
\(\rightarrow\) was falling
3) Christmas tree is usually decorate by colored lights and shiny balls.
\(\rightarrow\) decorated
4) Chris said that the twins couldn't go to school this day because they were ill.
\(\rightarrow\) that
Sửa lỗi sai:
1) At breakfast yesterday, I did my homework and my dad was reading.
\(\Rightarrow\) read
2) The farmer was riding to town while he fell off his house.
\(\Rightarrow\) was felt
3) Christmas tree is usually decorate by colored lights and shiny balls.
\(\Rightarrow\) was
4) Chris said that the twins couldn't go to school this day because they were ill.
\(\Rightarrow\) that
=> 1) While she come, I was reading her letter.
=> While she was coming. I was reading her letter.