肯定句：the student is playing football at school。
否定句：The student isn't playing football at school.
問句： is the student playing football at school.?
回答：yes ,he is. no, he isn't .
2、mother，her，her，tell，stories，be
肯定句：her mother is telling her her stories.
否定句：her mother isn't telling her her story.
問句：is her mother telling her story ?
回答： yes ,she is. no, she is not .
3、drink，milk，you，be，now
肯定句：you are drinking milk now .
否定句：you are not drinking milk now .
問句：are you drinking milk now .?
回答：yes ,I am . no, I am not .
4、friend，my，listen，park，music，to，the，in，now，be
肯定：my friend is listening to music in the park now .
否定：my friend is not listening to music in the park now .
問：is my friend listening to music in the park now .?
答：yes ,he is. no,. he is not .
5、my，father，go，fishing，be，now
肯定：my father is going fishing now
否定：my father is not going fishing now
問：is my father going fishing now
答：yes ,he is . no, he is not
6、girl，the，her，wash，clothes，be
肯定：the girl is washing her clothes now
否定：the girl is not washing her clothes now
問：is the girl washing her clothes now
答：yes ,she is . no ,she is not
7、the，read，book，English，his，be，now，boy
肯定：the boy is reading the English book now .
否定：the boy isn't reading the English book now .
問： is the boy reading the English book now ?
答：yes ,he is . no, he is not
8、they，their，fix，be，bathroom，sink，now
肯定：they are fixing the sinking bathroom now
否定：they aren't fixing the sinking bathroom now
問： are they fixing the sinking bathroom now
答：yes ,they are ; no, they are not