Tom and Mike are American boys.並列簡單句！

The teacher’s name is Smith, and the student’s name is John.並列複合！

2、按句子的結構可分三種：

1）簡單句：只有一個主語（或並列主語）和一個謂語（或並列謂語）。

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) 並列句：由並列連詞（and, but, or等）或分號（；）把兩個或兩個以上的簡單句連在一起構成。

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）複合句：含有一個或一個以上從句的句子。複合句包含：名詞性從句（主語從句、賓語從句、表語從句和同位語從句）、定語從句和狀語從句等。

e.g. The foreign visitors took a lot of pictures when they were at the Great Wall.

（二）簡單句的五種基本句型

1、主語+系動詞+表語：e.g. He is a student.

2、主語+不及物動詞：e.g. We work.

3、主語+及物動詞+賓語：e.g. Henry bought a dictionary.

4、主語+及物動詞+雙賓語（間接賓語+直接賓語）：e.g. My father bought me a car.

5、主語+及物動詞+複合賓語（賓語+賓補）：e.g. Tom made the baby laugh.

注：其他各種句子都可由這一種基本句型擴充套件、變化或省略而構成。

（三）並列句的分類

1、表示連線兩個同等概念，常用and, not only…but also…, neither…nor…, then等連線。e.g. The teacher’s name is Smith, and the student’s name is John.

2、表示選擇，常用的連詞有or, either…or…, otherwise等。e.g. Hurry up, or you’ll miss the train.

3、表示轉折，常用的連詞有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、表示因果關係，常用的連詞有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.