问题标题:
【英语怎么把陈述句改为否定句?没有am,is,are.can,的时候怎么改否定?】
问题描述:
英语怎么把陈述句改为否定句?没有am,is,are.can,的时候怎么改否定?
任志宏回答:
一、陈述句:是用来陈述一件事情或表示一种看法,可分为肯定句和否定句两种形式.
1、谓语动词是be动词,助动词have,has,will,情态动词can等时,只要直接在这些词后面加not就构成否定形式.
eg.Lilyhasalreadyreadthisnewbook.(改为否定句)
Lily____________thisnewbook________.
2、谓语动词是行为动词而又没有助动词或情态动词时,必须在谓语动词前加助动词,一般现在时加助动词do,第三人称单数加does,一般过去时加did,再和not构成否定结构.必须指出的是:don't,doesn't,didn't后都用动词原形.
eg.1)Jillhaslunchatschooleveryday.(改为否定句)
Jill__________lunchatschooleveryday.
2)Thechildrenhadagoodtimeattheparty.(改为否定句)
Thechildren___________agoodtimeattheparty.
3)Rosedidn'tdrinkanymilkthismorning.(改为肯定句)
Rose____________milkthismorning.
二、疑问句:是用来提出问题的句子.
A.一般疑问句:以be动词,have/has/do等助动词、can/may等情态动词开头,以yes或no来回答的问句.
它的基本结构是:Be/Have/Has/Did等助动词(包括情态动词)+主语+谓语(包括表语)+┄?回答常用简略回答.
1、谓语动词是be动词、助动词、情态动词时,只要直接把这些词置于句首,句末改成问号.
eg.There'ssomethingwrongwithhisbike.(改成疑问句)
__________________wrongwithhisbike?
2、谓语动词是行为动词时,必须在句首加上助动词Do、Does(三单)、Did(过去式)加上这些助动词后,句子中谓语动词必须用原形.
eg.1)Edisonbuiltasciencelabhimselfwhenhewasten.(改成疑问句)
______Edison______asciencelabhimselfwhenhewasten?
2)ThoseJapaneselikeChinesefood.(改成疑问句)
______thoseJapanese________Chinesefood?
注意:在把肯定句改成否定句或一般疑问句的时候,要注意句中是否有already、some、something、somebody等词,如果有也必须进行改变,already要改成yet,some、something、somebody等分别改成any、anything、anybody等.另外,在改成否定句的时候注意把too改成either,both改成neither,all改成none等.在改成一般疑问句的时候,常常把第一人称I、we改成第二人称you.
B.特殊疑问句:以疑问代词或疑问副词开头,提出疑问的句子.
它的基本结构是:特殊疑问词+一般疑问句语序.但是如果疑问词在句子中作主语或作主语的定语,就用特殊疑问词+陈述句语序.常用的疑问词有:what,who(whom),whose,which,when,where,how,why等,回答时针对问句中的代词和副词来回答,不用yes或no来回答.
1)对指物名词或谓语动词提出疑问,疑问词用what
①Thetwinsweremakingakitewhentheirmothercamein.(划线提问)
___________thetwins_____whentheirmothercamein?
②MrsTurneraskedhersontobuysomeeggsforsupper.(划线提问)
_____________MrsTurneraskherson_____________?
2)对名词前定语提出疑问,疑问词应用which,而且必须和名词连用.
I'mgoingtotaketheshirtontheright.(划线提问)
___________areyougoingtotake?
3)对指人名词或代词提问用who,作宾语时提问用whom.
eg.LiPing,they,hisfather
4)对物主代词和名词所有格提问用whose.
eg.LiPing'scoat→Whosecoatmyfather→Whosefather
5)对具体时间提出疑问,如inthemorning,lastSunday等,疑问词用when;对具体几点钟提问,疑问词应用whattime.
6)对具体地点提出疑问,疑问词应用where.
Thepupilsarehavingapicnicatthefootofthehill.(划线提问)
__________thepupilshavingapicnic?
7)对表原因的从句提问,常见的有because引导的从句,疑问词应用why.
XiaoChengdidn'tgotothefarmwithusbecausehewasill.(划线提问)
____________XiaoChenggotothefarmwithus?
8)对方式或程度等提出疑问,用疑问词How.
eg.gobybikelikeverymuch
9)对数量提出疑问,疑问词为Howmany,要注意howmany必须跟名词的复数形式.
eg.twohundredsheep→Howmanysheep
10)对价格提出疑问,疑问词用Howmuch.
eg.Ipaidfiftyyuanforthesweater.
____________didyoupayforthesweater?
11)对时间长度提出疑问,疑问词应用Howlong.
eg.I'veworkedinthatfactoryfortwoyears.(划线提问)96中考题
_______
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