Tom and Mike are American boys.并列简单句！
The teacher’s name is Smith, and the student’s name is John.并列复合！
2、按句子的结构可分三种：
1）简单句：只有一个主语（或并列主语）和一个谓语（或并列谓语）。
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（and, but, or等）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
1、主语+系动词+表语：e.g. He is a student.
2、主语+不及物动词：e.g. We work.
3、主语+及物动词+宾语：e.g. Henry bought a dictionary.
4、主语+及物动词+双宾语（间接宾语+直接宾语）：e.g. My father bought me a car.
5、主语+及物动词+复合宾语（宾语+宾补）：e.g. Tom made the baby laugh.
注：其他各种句子都可由这一种基本句型扩展、变化或省略而构成。
（三）并列句的分类
1、表示连接两个同等概念，常用and, not only…but also…, neither…nor…, then等连接。e.g. The teacher’s name is Smith, and the student’s name is John.
2、表示选择，常用的连词有or, either…or…, otherwise等。e.g. Hurry up, or you’ll miss the train.
3、表示转折，常用的连词有but, still, however, yet, while, when等。e.g. He was a little man with thick glasses, but he had a strange way of making his classes lively and interesting.
4、表示因果关系，常用的连词有so, for, therefore等。e.g. August is the time of the year for rive harvest, so every day I work from dawn until dark.
温馨提示：答案为网友推荐，仅供参考