按句子的结构可分三种: 1)简单句:只有一个主语和一个谓语. e. g. He often reads English in the morning. Tom and Mike are American boys. She likes drawing and often draws pictures for the wall newspapers. 2) 并列句:由并列连词或分号(,)把两个或两个以上的简单句连在一起构成. e. g. You help him and he helps you. The future is bright; the road is tortuous. 前途是光明的.道路是曲折的. 3)复合句:含有一个或一个以上从句的句子.复合句包含:名词性从句(主语从句.宾语从句.表语从句和同位语从句).定语从句和状语从句等. e. g. The foreign visitors took a lot of pictures when they were at the Great Wall. (二)简单句的五种基本句型 【查看更多】