搜搜考试网正确使用陈述句肯定式和否定式
来源：学生作业帮助网 编辑：作业帮 时间：2024/06/09 02:46:09
must的否定为neednot即needn't必须的否定为不需要而不是禁止mustn't
any
1.can2.cann't3.can4.cann't5.can6.can7.cann't8.cann't9.Can10.can
should的否定形式是shouldn't,意为不应该后一般接should(shouldn't)dosth
Bequiet!Don’tbequiet!
肯定：Gohomeandeatdinner!否定：Don'taskeasyEnglishquestioninCarea.
dare可用实意动词和情态动词,用作情态动词时,意思是“敢”,其后接动词原形,通常只用于否定句或疑问句以及if或whether之后,一般不用于肯定句：Dareyoutellherthetruth?你敢
dislike不喜欢
won't
won't
hasn'tgot和hassb.gotdoesn'thavegot和doesn'thavegot两个都对
一般疑问句:AretheboysinthelibraryDoyoudoyourhomeworkathome否定句:Theboysarenotinthelibrary.Idonotdomyhomewor
can'tcanmaymayneedn't
towork和tobe是动词不定式,只是用来列举动词,跟过去时态没关系的,你完全可以忽略掉,比如第一句你可以看成：“动词work的一般过去时”.
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一般may不接否定形式,但也有maynot的表述,不常用,一般可用can't或mustn't来替代
IhaveaheadacheIdon’thaveaheadacheDoyouhaveaheadache?Yes,IdoNoIdon't
cannot=can't
去掉主语和情态动词就改成了祈使句,前面加donot就改成了否定式.如第一个句子cometothefront.Donotcometothefront.
getout!backoffme!