2. not 做副词,否定动词,如:
Don't expect her to agree.
别指望她会同意。
She might not want to see you,
大概她不想见到你。
not起到否定非谓语动词(不定式、动名词、分词)的作用,如:
Let's not go.
我们不要去吧。
He decided not to do it.
他决定不做那件事。
Would you mind not smoking here?
请你别在此吸烟好吗?
Not having plenty of time, we took a taxi there.
由于时间不多了,我们坐出租去那儿的。
not还可用在一些固定搭配的短语或结构中,如:
The train was not a whit behind time. ( not a whit)
火车丝毫没有晚点。
It is not nearly so easy as you think. (not nearly)
这远不是你所想的那么容易。
3. never做副词,否定动词,如
He has never seen a plant.
他从来没有见过这样的工厂。
never还可以用来否定助动词、情态动词或系动词,表示强调,如
Never shall I forget your kindness.
我永远不会忘记你的好意。
He never has been and never will be successful.
他没有,以后也不会成功。
never可以放在句首,否定祈使句,如;