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1、六年级英语句型转换练习句型转换是英语中的重中之重，也是最难掌握的，是学生们最容易失分的地方，一般在选择题中会有4-5分，还有专门的按要求完成句子的题型。下面先是需要重点讲解的几种句型以及做法，然后是练习。1、肯定句：是指用肯定的语气来陈述的句子，如：Im a student. She is a doctor. He works in a hospital. There are four fans in our classroom. He will eat lunch at 12:00. I watched TV yesterday evening. 2、否定句：含有否定词或表示否定意义词的句子
2、，如：Im not a student. She is not (isnt) a doctor. He does not (doesnt) work in a hospital. There are not (arent) four fans in our classroom. He will not (wont) eat lunch at 12:00. I did not (didnt) watch TV yesterday evening. 注意 小结：否定句主要是在肯定句的基础上加上了否定词 “not”。有动词be的句子则“not”加在be后面，可缩写成“isnt，arent”，但am
3、not 一般都分开写。没有动词be的句子则要先在主要动词的前面加上一个助动词（do，does，did），然后在它后面加上“not”，你也可以把它们缩写在一起如“dont , doesnt , didnt ）。这三个助动词要根据人称和时态来选择，其中“does”只用于一般现在时主语是第三人称单数的情况，而“did”只用于一般过去时，不论主语是什么人称和数，都用“did” 。 3、一般疑问句：是指询问事实的句子，此类句子必须用“yes”，或“no”来回答。 如：Are you a student? Yes, I am / No, Im not. Is she a doctor? Yes, she
4、is. / No, she isnt. Does he work in a hospital? Yes, he does. / No, he doesnt. Are there four fans in our classroom? Yes, there are. / No, there arent. Are you going to buy a comic book tonight? Yes, I am. / No, I am not. (Yes, we are. / No, we arent.) Will he eat lunch at 12:00? Yes, I will. / No,
5、I will not(wont). Are they swimming? Yes, they are. / No, they arent. Did you watch TV yesterday evening? Yes, I did. / No, I didnt. 注意 小结：一般疑问句是在肯定句的基础上， 把动词be调到首位，其他照写，末尾标点符号变成问号即可。 没有动词be的句子则要在句首加上一个助动词（do，does，did）再把紧 跟在后面的动词变回原形，末尾标点符号变成问号即可。这三个助动词也要根据人称和时态来选择，其中“does”只用于一般现在时主语是第三人称单数的情况，而“did
6、”只用于一般过去时，不论主语是什么人称和数，都用“did” 。一般疑问句有个重要的原则就是问和答要一致，即问句里的第一个单词（助动词）和简略答句里的这个词是一致的。 4、特殊疑问句：以特殊疑问词（what , where , who , which , when , whose , why , how等）开头引导的句子。此类句子应该问什么就答什么，不能用“yes 、no”来回答。如： What is this? Its a computer. What does he do? Hes a doctor. Where are you going? Im going to Beijing. Who
7、 played football with you yesterday afternoon? Mike. Which season do you like best? Summer. When do you usually get up? I usually get up at 6:30. Whose skirt is this? Its Amys. Why do you like spring best? Because I can plant trees. How are you? Im fine. / Im happy. How did you go to Xinjiang? I wen
8、t to Xinjiang by train. 其中how又可以和其他一些形容词连用组成特殊疑问词组用来提问，如： how many（多少(数量)）, how much（多少(钱)）, how tall（多高）, how long（多长）, how big（多大）, how heavy（多重） 例句：How many pencils do you have? I have three pencils.How many girls can you see? I can see four girls.How many desks are there in your classroom? There
9、 are 51. 小结：how many 用来提问可数名词的数量，主要有以上三种句式搭配， How many + 名词复数 + do you have? 你有多少？ How many + 名词复数 + can you see? 你能看见多少？ How many + 名词复数 + are there? 有多少？练习部分：一、改为否定句和一般疑问句：1 Tom and Alice go to Grandmas home by bus.Tom and Alice_ _to Grandmas home by bus._ Tom and Alice _ to Grandmas home by bus?2
10、 John has lunch at school.John_ _lunch at school._ John _ lunch at school?3 The boys in our class are cleaning the classroom.The boys in our class_ _the classroom._ the boys in our class _ the classroom?4 Jerry is going to visit the Space Museum with his friends tomorrow.Jerry_ _ to visit the Space
11、Museum with his friends tomorrow._ Jerry _ to visit the Space Museum with his friends tomorrow.7.Our parents will arrive at half past two in the afternoon.Our parents_ _at half past two in the afternoon._ our parents_ at half past two in the afternoon?5 Theyll listen to the choir in the hall.They_ _
12、to the choir in the hall._ they _ to the choir in the hall?6 Children had some cakes at the party.Children_ _ _ cakes at the party._ children _ _ cakes at the party?10.Mike would like to be a postman.Mike_ _to be a postman._ Mike _ to be a postman?11.Wed like to have more vegetables.We_ _to have mor
13、e vegetables_ we _ to have more vegetables?12.Our monitor can speak English well.Our monitor_ _English well._ our monitor _ English well?13.There are some noticeboards at the entrance.There _ _noticeboards at the entrance._ there_ noticeboards at the entrance.二、划线部分提问1. They looked at our projects a
14、t two thirty in the Arts and Crafts room._ _ _ they _ at our projects in the Arts and Crafts room?2. Shell be in the library at three oclock._ _ she _ at three oclock?3. The visitors will meet us at the entrance._ _ the visitors _?4. The Greens are going to visit the Space Museum this coming weekend._ _ the Greens goi
