有例子吗?
追答1 Open the doo r,please .-> Don’t open the door ,please .
2 She asks the boy not to play in the street .
3 He is a student .-> He isn't a student.
4 There are some flowers in the room .-> There aren't any flowers in the room .
5 He has finished his homework .-> He hasn't finished his homework.
6 He can swim .-> He can't swim .
7 He went to the park last Sunday. -> He didn't go to the park last Sunday.
8 I like English .-> I don't like English.
9 She likes singing .-> She doesn't like singing .
10 They will finish the work tomorrow.-> They won't(= will not ) finish the work tomorrow.