1.We used not to like Peking opera.
= We (didn't use) to like peking opera.
used to意思是“过去常常”,其否定形式有两种:didn't use to和used not to / usedn't to.
2.The sick girl needs an operation.
= The sick girl needs to be (operated on).
need sth = need doing = need to be done
固定短语:operate on/upon sb 给某人做手术
3.She will start a shopping mall over there.
= She will (set up) a shopping mall over there.
start 开办;set up 开办/创立