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. - - - 2; They were working when she came yesterday. - - - 3;She was painting a picture while her mother was making a cake. - - - 4;Anne was riding her bike to school when Peter saw her yesterday. - - - 5;He wae typing a letter when his boss went into the room. - - -

1.

(-) He wasn't planting trees...

(?) Was he planting trees... ? → Yes, he was./ No, he wasn't.

2. 

(-) They weren't working...

(?) Were they working... ? → Yes, they were./ No they weren't.

3. 

(-) She wasn't painting...

(?) Was she panting... ? → Yes, she was./ No, she wasn't.

4. 

(-) Anne wasn't riding...

(?) Was Anne riding... ? → Yes, she was./ No, she wasn't.

5. 

(-) He wasn't typing...

(?) Was he typing... ? → Yes, he was./ No, he wasn't.