1、一般疑问句1. 一般疑问句里有be（am, is, are）动词的：陈述句改为疑问句时，原则是：原句子里有什么动词（如be动词），就把什么动词（be动词）提前，其它照搬下来变为疑问句。在对疑问句做肯定或否定回答时，原则是：用什么提问，就用什么回答。如用be动词提问，就用be动词回答。肯定句、否定句和一般疑问句的互换。（1）如果句中有this/those/these, 在做肯定否定回答时要变为it （单数）或 they（复数）.如：肯定句：This is a book. These/Those are banana trees.否定句：This is not a book. These/Thos
2、e are not banana trees.一般疑问句：Is this a book? Are these/those banana trees?肯定回答：Yes, it is. Yes, they are.否定回答：No, it isnt. No, they arent.（2）如果句中有第三人出现时，在变为疑问句时，my 要变为your, I 要变为you. 做肯定否定回答时要用he/she(单数)或 they (复数)。肯定句：This is my new teacher. They are students in No.1 Middle School.否定句：This isnt my
3、teacher. They are not students in No.1 Middle School.一般疑问句：Is this your new teacher? Are they students in No.1 Middle School?肯定回答： yes, he/she is. Yes, they are否定回答： No, he/she isnt. No, they arent. 肯定句:There is a desk in the room. It is a map.否定句：There isnt a desk in the room. It is not a map.一般疑问句
4、：Is there a desk in the room? Is it a map?肯定回答： Yes, there is. Yes, it is.否定回答： No, there isnt. No, it isnt. 2. 句中有情态动词can 时，按照用什么提问就用什么回答原则。肯定句: I can play football.否定句：I cant play football.一般疑问句：Can you play football?肯定回答： Yes, I can. 否定回答： No, I cannt.3. 句中没有be 动词也没有情态动词can时，要用助动词do(复数，第二人称), doe
5、s(第三人称单数)来提问。肯定句: He likes playing football. They like playing football.否定句： He doesnt like playing football. They dont like playing football.一般疑问句：Does he like playing football? Do they like playing football?肯定回答： Yes, he does. Yes, they do.否定回答： No, he doesnt. No, they dont. 1、看句中有无be动词，如有，把be动词提到句首即可。2、看句中有无情态动词，如有，把情态动词提到句首即可。3、如上述二者都没有，就应把助动提到句首。分四个步骤：（1）肯定陈述句中本来是没有助动词的，要加上去，位置在主语（某人或某物）后，动词前。（2）确定助动词用do还是does，根据句中动词，动词是原形的助动词就用do，动词是第三人称单数的助动词就用does（3）把助动词后提到句首。（4）原句中动词假如发生变化就要恢复成原形。强调一点，有some的要考虑是否要用any。Thereissomewaterontheplayground. Isthereanywaterontheplayground
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