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as as 的用法

(1)基本用法

該結構的基本意思是“與……一樣”,其中接形容詞或副詞的原級,在否定句中,第一個 as 也可換成  so。如:

He doesn't study as [so] hard  as his brother. 他學習不如他弟弟努力。

(2)涉及數量或程度的用法

若涉及數量或程度,可用“as  much+不可數名詞+as”和“as  many+可數名詞複數+as”。如:

He doesn’t pay as much tax as  we do / as us. 他沒我們交的税款多。

There are not as many  restaurants as there were. 現在餐館沒有過去多了。

as as 的用法

(3)有關詞序的一點説明

其間接形容詞時,有時該形容詞還可修飾另一名詞,但這個名詞應帶有不定冠詞(注意詞序)。如:

I have as good a voice as  you. 我的聲音和你一樣好。

(4) 該結構的修飾語

根據情況可用(not)  nearly, almost, just, nothing like, exactly, not quite, half, one-ten, twice,  three times, 30 per cent等修飾,並且這些修飾語必須置於第一個as之前,而不能置於其後。如:

This room is twice as large  as that one. 這個房間是那個房間的兩個大。

You’re not half as clever us  you think you are. 你遠不是自己想像的那麼聰明。

It took three times as long  as I had expected. 這件事比我預料的多花了兩倍的時間。

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