2019解放军文职招聘考试教育学英语知识点327
考点3 否定句
否定句是指否定陈述句的句子。
(1)用not构成的否定句：主语+助动词/ be + not + …。
He is not back yet.
We haven’t forgotten you.
(2)祈使句的否定句：Don’t+动词原形…。
Don’t worry. I’ll look after you.
(3)非谓语动词(不定式，分词，动名词)的否定式：not放在to do; doing的前面。
It’s important not to worry.
He said he deeply regretted not being able to help.
(4)not与除谓语以外的其他句子成分连用。
Come early, but not before six.
It’s working, but not properly.
(5)用no构成否定句：no+名词(单，复数，不可数)相当于not+ a +名词 / not + any +名词。
No machine would work for long if it were not properly lubricated.
(6)某些否定副词或代词：seldom， never， hardly， rarely，little， few，none， nowhere， neither等在句中构成否定句。
I can seldom find time for reading.
Mirror tells only the facts, never the poetry.
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