托福语法点睛之as引导的定语从句和as引导的状语从句

## as引导的定语从句 **1.与 such 连用：** We have *such* grapes *as* you never saw. We hoped to give you chance *such as* nobody else ever had. **2.与 the same 连用:** It's *the same* book *as* we wanted to find it. This is *the same* pen *as* I used yesterday. **3.as 单独引导定语从句：** *As everyone knows*, China is a beautiful country with a long history. The earth, *as we all know*, moves around the sun. **4.as 指代后面的整个主句：** *As* was expected, he performed the task with success. *As* is known to us all, the whale is not fish but a mammal. ## as引导的状语从句 **1.as引导的原因状语从句**通常表示已知的原因，所以常常出现于句首；当然也可位于居委，作为一种补充说明。 *As* Chile is a long,narrow country, the temperature varies considerably from north to south. He saw her, *as* they were both getting off the bus at the same time. **2.as 引导的倒装句作让步状语从句** Child *as* he is, he is knowledgeable. Much *as* I respect him, I can not agree with him. **3.as...as 引导的比较状语从句** The work is not *as difficult as* you think. I find records are often *as good as* an actual peformance.