1.She speaks Chinese.
否定句:She doesn't speak Chinese.
一般疑问句:Does she speak Chinese?
肯定及否定回答:Yes,she does./No,she doesn't.
2.He helps me with my English.
否定句:He doesn't help me with my English.
一般疑问句:Does he help me with my English?
肯定及否定回答:Yes,he does./No,he doesn't.
3.He wants to visit China.
否定句:He doesn't want to visit China.
一般疑问句:Does he want to visit China?
肯定及否定回答:Yes,he does./No,he doesn't.