1 小学英语所有句型转换的方法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、 在 be 动词后加 not。如:is not , are not , am not , was not , were not ;2、 在 can,should , will 等后加 not。如: cannot , should not , will not ;3、 上述都没有的,在动词前加助动词否定形式don’t/doesn ’t/didn ’t。4、 some 改成 any。二、 肯定句改一般疑问句的方法——三步法1、 把 be 动词放在句首,剩下的照抄,(some 改成 any,my 改成 your 等)句点改成问号。2、 把 can,shall , will 等放到句首,剩下的照抄,(some 改成 any,my 改成 your 等)句点改成问号。例如:陈述句 : They are in the park. He can play the guitar.. 一般疑问句 : Are they in the park? Can he play the guitar? 把下列句子变成一般疑问句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. __________________________________________ 3、 上述都没有的,在句首请助动词Do/Does/Did 帮忙,剩下的照抄,( some 改成 any,my 改成 your 等)句点改成问号。例如:陈述句 : I like the ducks. He likes the dogs. 一般疑问句: Do you like the ducks? Does he like the dogs? 把下列句子改为一般疑问句。1. We need some masks. _________________________________ 2. They like making the puppet. _________________________________ 3. Su Hai and Su Yang live in a new house. _________________________________________________ 4.I put a book on my head. ______________________________...