怎么把英文的肯定句改成否定句,疑问句和疑问句的肯定回答和否定回答1:I am a doctors2:He is a teacher3:They like playing the guitar4:She plays the game well.5:We went to Beijing last week6:He read the book yesterday7:Jim was a naughty bay8:They were friends9:She is doing her homewok now10:We are making a cake11:Li Lin going to Zhejing next wrek12:She will warry Jahn

怎么把英文的肯定句改成否定句,疑问句和疑问句的肯定回答和否定回答
1:I am a doctors
2:He is a teacher
3:They like playing the guitar
4:She plays the game well.
5:We went to Beijing last week
6:He read the book yesterday
7:Jim was a naughty bay
8:They were friends
9:She is doing her homewok now
10:We are making a cake
11:Li Lin going to Zhejing next wrek
12:She will warry Jahn