五种简单句
- l come. 不及物动词
- l love you. 及物动词
- l give you everything. 双宾动词
- You make me sad. 使役动词
- l feel bad. 系动词
句子的类别
1.陈述句
陈述句用来叙述一个事实或表示说话人的看法，以句号结尾，陈述的句子通常语调都使用降调。
举例
- Our neighbors are very friendly.
- We are looking for tools.
1.1.陈述句的肯定与否定
陈述句有肯定式，也有否定式。
如果想把肯定的句子变成否定的句子，主要有以下几种情况:
1) 如果句子中有be动词，在be动词后面加not构成否定结构。
- 肯定: That is his bike.
- 否定: That is not his bike.
- 肯定: They were at home yesterday.
- 否定: They were not at home yesterday.
2) 如果句子里有情态动词 (can, should, will, may,