整理be动词的几种句型构成并举出例子

以下是常用的句型和例子,希望能帮到你
1.There be + n. There is a book on the desk.
2.主语+be + 名词/形容词. He is a boy./He is tall.
3.主语+be + 过去分词. He was told not to do that again.
4.主语+be + 现在分词. They are playing football.
5.Be + adj. （+n.）. Be good （boys）.
6.It is +adj. for sb. to do sth. It is good for you to have sports every day.