精选优质文档-倾情为你奉上句型转换的方法(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.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