had better+動(dòng)詞原形表示“最好做……”，變否定句時(shí)在had better后加not。例如:

You had better catch a bus.

You’d better not catch a bus. (You had= You’d )

特殊疑問句的變換

對(duì)劃線部分提問時(shí)，將劃線部分去掉，剩下部分變一般疑問句語序。（對(duì)主語提問例外）例如:

My name is Lily. What’s your name?

The river is 500 kilometres. Hong long is the river?