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. _________________________________________________ 5. They...