形容詞與副詞的比較級、級用法講練（一）

as 形容詞或副詞原級 as
　　1）在否定句或疑問句中可用so… as.

　　He cannot run so/as fast as you.

　　2）儅as… as 中間有名詞時採用以下格式。

　　as 形容詞 a 單數名詞

　　as many/much 名詞

　　This is as good an example as the other is.

　　I can carry as much paper as you can……

　　3）用表示倍數的詞或其他程度副詞做脩飾語時，放在as的前麪。

　　This room is twice as big as that one.

　　Your room is the same size as mine.

　　4）倍數 as adj. as　<=> 倍數 then of

　　This bridge is three times as long as that one.

　　This bridge is three times the length of that one.

　　Your room is twice as large as mine.

　　Your room is twice the size of mine.

　　比較級形容詞或副詞 than

　　You are taller than I.

　　They lights in your room are as bright as those in mine.

　　注意：

　　1）要避免重複使用比較級。

　　（錯）He is more cleverer than his brother.

　　（對）He is more clever than his brother.

　　（對）He is clever than his brother.

　　2）要避免將主語含在比較對象中。

　　（錯）China is larger that any country in Asia.

　　（對）China is larger than any other countries in Asia.

　　3）要注意對應句型，遵循前後一致的原則。

　　The population of Shanghai is larger than that of Beijing.

　　It is easier to make a plan than to carry it out.

　　4）要注意冠詞的使用，後有名詞的時候，前麪才有可能有名詞。

　　比較：

　　Which is large，Canada or Australia？

　　Which is the larger country，Canada or Australia？

　　She is taller than her two sisters.

　　She is the taller of the two sisters