1, We last met our neighbors 6 years ago.
-> We have not met our neighbors for 6 years.
2, Lan did not write to her parents a month ago.
-> Lan has not written to her her parents for a month.
3, When did you start to listen to classical music?
-> How long have you listened to classical music?
4, He started to live in Hanoi when he was 12.
-> He has lived in Hanoi since he was 12.
5, He often made a birthday cake for me.
-> He used to make a birthday cake for me.
6, It's a pity he can not come to the party.
-> I wish he could come to the party.
7, They learn English all over the world.
-> English is learnt all over the world.
8, You must do this work right away.
-> This work right away must be done (by you)
9, Lan is interested in listening to pop music.
-> Lan enjoys listening to pop music.
10, " I am having a wonderful time here " said Nga.
-> Nga said she was having a wonderful time there.
11, " Why don't you go with me now ?"
-> She asked me why I didn't go with her then.