初一句型转化.doc

初中英语句型转换【基础再现】1、陈述句：陈述事实和观点的句子。Eg: I am a teacher. I can sing.2、一般疑问句：通常用来询问某事情或某情况是否属实，一般要用 yes 或 no 来回答。Are you an English teacher?3、be动词的五种形式：am, is, are, was, were；4、情态动词：can, could, may, might, must, shall, should, will,would, need, had better5、助动词：be have do【教学内容】一、一般疑问句有两个家族。第一家族为含be动词或情态动词的（am is are can may must）第二家族为含行为动词（或称为实义动词）(like eat sing )二、陈述句变为一般疑问句方法：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（首字母大小写；一二人称）；三问号：句末的句号改为问号。如：I am an English teacher. Are you an English teacher? We can speak English fluently. Can you speak English fluently?练习：1.My brother is in the park now. 一般疑问句：_ 肯定/否定回答：_ 2.They are in the park.一般疑问句：_肯定/否定回答：_ 3. My brother is in the park now. 一般疑问句：_ 肯定/否定回答：_ 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：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；3、大小写三问号：句末问号。We read English every morning. Do you read English every morning?Toms father listens to English every evening. Does Toms father listen to English 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。”练习：1. She has some bread for lunch today. 一般疑问句：_肯定/否定回答：_ 2. They read English every day. 一般疑问句：_肯定/否定回答：_三、肯定句变一般疑问句的几点注意1. 肯定句变一般疑问句时， some改为any，something改为anything, my改为your, I改为you，already、still改为yet等。如：There are some apples in the tree.。Are there any birds in the tree? The dentist has already seen the moive. Has the dentist seen the moive yet? 2. 需要分清do, does, did, have, has, have, had等是实义动词还是助动词。如果是助动词，则把它们直接调到主语前，如果是实义动词，则在主语前面根据实际情况加do, does或did。如：Mary usually does some reading on Saturdays.Does Mary usually any reading on Saturdays?（Wrong）Does Mary usually do any reading on Saturdays?（Right）I have taught English here for two yearsDo you have taught English here for two years?（Wrong）Have you taught English here for two years?（Right）【过手训练】1、I read an English book every day.一般疑问句：_ 肯定/否定回答：_2. There is only one problem. 一般疑问句：_ 肯定/否定回答：_3.We can speak English fluently一般疑问句：_ 肯定/否定回答：_4.He likes the dogs一般疑问句：_ 肯定/否定回答：_2. She has some bread for lunch today. 一般疑问句：_ 肯定/否定回答：_3. They read English every day. 一般疑问句：_ 肯定/否定回答：_初中英语句型转换基本助动词只有三个：be, do, have, 他们没有词汇意义，只有语法作用，如协助构成进行体，完成体，被动态，否定句，疑问句等。一、 肯定句改否定句的方法 一步法 1. 有be动词/情态动词：在be动词/情态动词后后加not。2. 无be动词/情态动词，在动词前加dont/doesnt/didnt。 3. some 改成any。 4. 情态动词：can，will，should，must，may。把下列句子变成否定句：1. I am listening to music._ 2. Mike is a student. _3. Sarah can clean the classroom. _4. They are in the zoo._5. There are some flowers in the vase. _6. This is my sister. _7. We are sweeping the floor. _8. We need some masks._9. They like making the puppet._10. Su Hai and Su Yang live in a new house._11. I put a book on my head._12. They sing