精选优质文档-倾情为你奉上希伯伦语法一一、 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;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dont/doesnt/didnt。4、 some 改成any。(1)把下面的句子变成否定句。She is watching TV now._We go to school on Sunday._His father works hard._