Biến đổi các câu sau sang phủ định, câu hỏi và trả lời các câu hỏi đó.
1. He was planting trees in the garden at 4 pm yesterday.
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2. They were working when she came yesterday.
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3. She was painting a picture while her mother was making a cake.
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4. Anne was riding her bike to school when Peter saw her yesterday.
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5. He was typing a letter when his boss went into the room.
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hepl me plep
1.Biến đổi các câu sau sang phủ định, câu hỏi và trả lời các câu hỏi đó.
1. He was planting trees in the garden at 4 pm yesterday.
- He wasn't planting trees in the garden at 4 pm yesterday.
- Was he planting trees in the garden at 4 pm yesterday?
Yes, he was./ No, he wasn't.
2. They were working when she came yesterday.
- They weren't working when she came yesterday.
- Were they working when she came yesterday?
Yes, they were./ No, they weren't.
3. She was painting a picture while her mother was making a cake.
- She wasn't painting a picture while her mother was making a cake.
- Was she painting a picture while her mother was making a cake?
Yes, she was./ No, she wasn't.
4. Anne was riding her bike to school when Peter saw her yesterday.
- Anne wasn't riding her bike to school when Peter saw her yesterday.
- Was Anne riding her bike to school when Peter saw her yesterday?
Yes, she was./ No, she wasn't.
5. He was typing a letter when his boss went into the room.
- He wasn't typing a letter when his boss went into the room.
- Was he typing a letter when his boss went into the room?
Yes, he was./ No, he wasn't.
tick với 
1. He was planting trees in the garden at 4 pm yesterday.
-He wasn't planting trees in the garden at 4 pm yesterday.
- was he planting trees in the garden at 4 pm yesterday?
-yes he was
2. They were working when she came yesterday.
-They weren't working when she came yesterday
- were they working when she came yesterday
-no they weren't
3. She was painting a picture while her mother was making a cake.
-She wasn't painting a picture while her mother was making a cake.
- was she painting a picture while her mother was making a cake?
-yes she was
4. Anne was riding her bike to school when Peter saw her yesterday.
-Anne wasn't riding her bike to school when Peter saw her yesterday.
-was Anne riding her bike to school when Peter saw her yesterday?
-no she wasn't
5. He was typing a letter when his boss went into the room.
- He wasn't typing a letter when his boss went into the room.
- was he typing a letter when his boss went into the room?
-yes he was
