16. had better (not) do sth. (别)做某事
had better为情态动词,其后需用动词原形。had better常用缩写,变成’d better,其否定形式是在其后直接加not。例如:
We had better go now. = We’d better go now.
我们现在走吧。
You’d better not go out because it is windy.
今天刮风,你别出去了。
17. have sth. done 使(某事)完成 (动作由别人完成)
sth.为宾语,done为过去分词作补语。例如:
We had the machine repaired.
我们请人把机器修好了。
注意区分: We have repaired the machine. 我们(自己)已经修好了机器。
18. help sb. (to) do sth./with sth. 帮助某人(做)某事,其中的to可以省略。例如:
I often help my mother with housework.
我常常帮助妈妈做家务。
Would you please help me (to) look up these words?
请你帮助我查查这些词好吗?
2017年中考英语复习:必考句型(7).doc