as as的用法总结

“as+adj./adv.+as…”，其基本意思为“……和……一样”。但在实际应用中，此结构在不同的语境中含义差异较大。as…as结构的另一种形式是“as much/many+名词+as+从句”。若有修饰成分，如twice，three times，half，a quaer等，必须置于第一个as之前。

例句

The tree is as tall as the building.

这棵树和那栋楼一样高。

Michael is as bright as George.

迈克尔和乔治一样聪明。

Mary has written as many essays as her brother.

玛丽写的文章篇数和她弟弟一样多。

You are not half as clever as you think you are.

你可不像自己想象的那么聪明。