精选优质文档-倾情为你奉上句子的种类一、陈述句1）陈述句的肯定形式I am a sixteen-year-old German student.She wants to know what you think.They will write a report about wasting water.Mary showed us around the modern schoolThe Russians have sent an Astronaut into space.2）陈述句的否定形式把陈述句改为否定句可以归纳为以下三种情况） 在be, have, will, shall, can, need, must, may, should, would, could后直接加 not e.g Lily and Liz are twins.Lily and Liz arent twins.e.g She can speak English very fluently.She cant speak English very
