1、I have a math book.改为否定句
I (don't have) a math book.
2、Jim has a soccer ball.改为一般疑问句
(Does) Jim (have) a soccer ball?
3、Do they have watches?改为单数句
(Does) he (have) a (watch)?
4、Do Jim and Bill have a TV 作否定回答
No,(they don't).
5、My jacket is (on the chair).对括号内的提问
(Where is) your jacket?