He’s as old as she [her]. 他年纪跟她一样大。
He is as old as she is.
You love him as much as I (=as I love him). 你爱他像我爱他一样。
You love him as much as me (=as you love me). 你爱他像爱我一样。
在肯定句中用as…as, 在否定句中用not as…as或not so…as 均可。如：
He doesn’t study as [so] hard as his brother. 他学习不如他弟弟努力。
正：Your room is as large as mine
误：Your room is as large as me.
如果涉及数量或程度可用：as much+ (不可数名词+) as / as many+ (可数名词复数+) as。如：
You must speak English as much as possible. 你必须尽可能地多说英语。
You’ve made as many mistakes as I have. 你犯的错误和我犯的一样多。
正：She is a cook as good as her mother.
正：She is as good a cook as her mother.
误：She is as a good cook as her mother.(www.yygrammar.com)
修饰as…as结构的常见词语有nearly, almost, just, exactly, half, quite, twice, three times等，请注意这些修饰语都只能放在as…as 结构之前 (而不能置于其中或其后。如：
I earn half as much as you do. 我只赚你的一半钱。
This rope is twice as long as that one. 这根绳子比那根长一倍。
She’s clever, but her brother is just as clever. 她很聪明，但她兄弟也一样聪明。
The woman married a man poor as herself. 这个女人嫁给了一个与她一样穷的男人。
Please answer my question as soon as possible.请尽快回答我的问题.
She looks as pretty as before.她看起来和以前一样漂亮.
(3)as long as...(引导条件状语从句)
It took us as long as three years to carry out the plan.我们花了长达三年的时间才完成这项计划.
(4)as far as
He walked as far as the railway station yesterday evening.昨天傍晚,他一直散步到火车站.
(5)as well as
She cooks as well as her mother does.她烧菜烧得跟她母亲一样好.
as busy as a bee像蜜蜂一样忙碌
as easy as ABC像ABC一样容易
as deep as a well像井一样深
as light as a feather像羽毛一样轻
as soft as butter像黄油一样软
as rich as a Jew像犹太人一样富裕