Viết lại câu từ quá khứ đơn sang hiện tại hoàn thành không làm thay đổi nghĩa
1) When did you bought that bag?
=> How long........
2) When did you start loving him?
=> How long........
3) How long have you been here?
=> When........
4) How long have she lived in Da Nang?
=> When........
5) When did they buy this hourse? (trả lời bằng 2 cách)
=> How long.........
=> How long.........
1) When did you bought that bag?
=> How long.....have you bought that bag?...
2) When did you start loving him?
=> How long.....have you loved him?...
3) How long have you been here?
=> When..did you go here?......
4) How long have she lived in Da Nang?
=> When.....did she live in Da Nang?...
5) When did they buy this hourse? (trả lời bằng 2 cách)
=> How long...have they bought this horse/house?......
=> How long...is it since they bought this horse/house?......