giúp em với 1.he often went fishing when he was young he used.................. 2.they started to study E in 2000 they have.................... 3.he climbed the tree because he wanted to get a better view he climbed the tree so as................. 4.the last time I played tennis was in 1990(since) I haven't............... 5.nobody has used this room for years this room.............. 6."what are you going to do tonight?"mai asked mai asked........... 7."when will you come and visit me?"nam asked nam asked...............

1. He used to go fishing when he was young. -> used to V: đã từng

2. They have studied E since 2000. -> chuyển QKĐ sang HTHT, S have/has V3/ed; since + mốc thời gian

3. He climbed the tree so as to get a better view. -> so as to V: để làm gì

4. I haven't played tennis since 1990. -> chuyển QKĐ sang HTHT, S have/has (not) V3/ed; since + mốc thời gian

5. This room hasn't been used for years. -> bị động HTHT have/has (not) been V3/ed

6. Mai asked me what I was going to do that night. -> câu tường thuật: asked sb + từ để hỏi + S V(lùi thì, is/am/are going to V -> was/were going to V)

7. Nam asked me when I would come and visit him. -> câu tường thuật: asked sb + từ để hỏi + S V(lùi thì, will -> would)