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＞＞＞— Must I go to clean the classroom now? — No, you ______. ..
— Must I go to clean the classroom now? — No, you ______.
A. can'tB. mustn't C. don't have to D. may not
题型：单选题难度：中档来源：竞赛题
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据魔方格专家权威分析，试题“— Must I go to clean the classroom now? — No, you ______. ..”主要考查你对&&一般疑问句&&等考点的理解。关于这些考点的“档案”如下：
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一般疑问句
一般疑问句：是疑问句的一种。通常用yes，no来回答的疑问句叫做一般疑问句。口语中若无特殊含义，句末用升调。 其结构是：系动词be/助动词/情态动词＋主语＋其他成分？　 通常回答为： 　　 肯定：Yes+主语+提问的助动词 　　 否定：No+主语+提问的助动词+not&例如： Are you from Japan?&& Yes, I am.／No, I'm not. Do you live near your school?　Yes, I do.／No, I don't.&Can you speak French? 　Yes, I can.／No, I can't. 一般疑问句的特性：1．将陈述句变为一般疑问句时，如句中有be 动词（am/ is/ are）时，可直接将它们提至主语前。如主语为第一人称，应将其改为第二人称。如：I'm in Class 2Grade 1． →Are you in Class 2Grade 1﹖We're watching TV． →Are you watching TV﹖2．陈述句中有情态动词（can、may、must …）时，也可直接将它们提至主语前，即可成为一般疑问句。如：He can swim now． →Can he swim now﹖The children may come with us． → May the children come with us﹖3．陈述句中只有一个实义动词作谓语且其时态为一般现在时，变为一般疑问句时要在句首加do或does主语后的实义动词用原形。如：I like these animals． →Do you like these animals﹖She wants to go to the movies． → Does she want to go to the movies﹖4．一般疑问句一般读升调(↑)5．一般疑问句有时不用yes或 no 回答。如：Are they in town now﹖I think so.May I sit here﹖Certainly．Does he like soccer﹖Sorry I don't know．6. 一般疑问句的第一单词总是虚词,读的时候要读轻声。陈述句变为一般疑问句技巧：根据一般疑问句不同的家族，可以用不同的方法将陈述句变为相应的一般疑问句。1、第一家族：含be动词或情态动词的句子秘诀：一调二改三问号一调：即把句中的be或情态动词调到主语前；二改：改换主语称谓，即将句中的主语I\my \mines\we\our\ours等。第一人称分别改为相应的第二人称you\your\ yours等；三问号：句末的句号改为问号。如：Eg. I am an English teacher.&&& →&&& Are you an English teacher?Eg. We can speak English fluently.&& →&&& Can you speak English fluently?2、第二家族：含行为动词（或称为实义动词）的句子秘诀：一加二改三问号一加：即在句首加助动词Do或Does；二改：1、把谓语动词改为原形；2、改换主语称谓（同第一家组）；三问号：句末的句号改为问号。Eg. We read English every morning. → Do you read English every morning?Eg. Tom’s father listens to English on the radio every evening. →Does Tom’s father listen to English on the radio every evening?特别注意：对于第二家族一定要注意动词的还原，因为时态与数的变化已经体现在助动词上了。3、加强记忆口诀：肯变一，并不难，can 或be提在前；谓语若为行为动，do 或does句首用。
发现相似题
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2538418581010096728800524601567749全部都改成否定句I like reading books.She is a doctor whose name is Sarah.I went to school yesterday.He is my young brother.We study in the same class.They are playing basketball.It is rain.We will go hiking tomorrow.You have breakfast at six o’clock.My mom can clean the_百度作业帮
全部都改成否定句I like reading books.She is a doctor whose name is Sarah.I went to school yesterday.He is my young brother.We study in the same class.They are playing basketball.It is rain.We will go hiking tomorrow.You have breakfast at six o’clock.My mom can clean the room for me.Her father was a writer beforeBen and Tom were good friends.You should speak in the class.Students always sleep in the class.The boys are naughty but they are smart.It may be a bird.We must go to bed early.Lily is as tall as Betty.He works at hospital.Nobody wants to do homework.
I don't like reading books.She isn't a doctor whose name is Sarah.I didn't go to school yesterday.He isn't my young brother.We don't study in the same class.They aren't playing basketball.It isn't rain.We won't go hiking tomorrow.You don't have breakfast at six o’clock.My mom can't clean the room for me.Her father wasn't a writer beforeBen and Tom weren't good friends.You shouldn't speak in the class.Students don't always sleep in the class.The boys aren't naughty but they are smart.It may not be a bird.We meedn't go to bed early.Lily isn't as tall as Betty.He doesn't work at hospital.Everybody wants to do homework
我讨厌英语！
don't like reading books.She isn't
a doctor whose name is Sarah.I didn't go
to school yesterday.He isn't
my young brother.We don't
study in the same class.They are not...
实义动词加助动词，而助动词要加not，比如is not ，do not。像是like就是实义动词，他的否定词组是don't like。而did是do的过去式，也是实义动词，助动词帮助实义动词构成肯定句或一般疑问句，所以did的过去式是didn't ，is，are，am都是be动词，be动词不管怎样，只能加not构成否定句。而一般动词的过去式与原词的否定一样，只需加上原词所需的词...}