1、句型转换的方法（一）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；例如：He is in the classroom. (改为否定句） He is not ( isnt ) in the classroom.2、 在can，should， will等后加not。如：can not， should not， will not；例如： Mike can sing English songs. ( 改为否定句） Mike can not ( cant ) sing English songs.
2、3、 上述都没有的，在动词前加助动词否定形式dont/doesnt/didnt。例如： I like pizza. ( 改为否定句） I dont like pizza.4、 句中有some 的要改成any。 例如 ： There are some books on the desk. ( 改为否定句） There are not ( arent ) any books on the desk.二 实战演习: 把下列各句改为否定句1. John is walking in the park. _2. Tom and Marry are friends._3. Im a student._4. She will go to Beijing tomorrow,_5. We get there by bike._6. He likes apples._7. There are some flowers in the picture._8. I often play football with my friend._9. We are from China._10. They can go to school by ferry._
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