1. The boy is Daming.
否定句:The boy is not Daming.
一般疑问句:Is the boy daming?
2. The girl is12 years old.
否定句:The girl is not 12 old.
一般疑问句:Is the girl 12 years old?
3. Daming and Lingling are from China.
否定句:Daming and Lingling are not from China.
一般疑问句:Are Daming and Lingling from China?
4. His coat is black.
否定句:His coat is not black.
一般疑问句:IS His coat black?
否定句在
系动词后加 not
一般疑问句吧系动词提前 就是了。 很简单的。