1）、倍數＋形容詞/副詞比較級＋than
「例如」The girl is ten times cleverer than her brother.
2）、倍數＋as+形容詞/副詞/（名詞）＋as
「例如」
His apartment is three times as large as that of mine. Americans eat（ ）as they actually need every day. （CET-4 1998，6）
A） twice as much protein
B） twice protein as much twice
C） twice protein as much
D） protein as twice much
本題考查倍數的表達方法，正確形式應為：倍數＋as+形容詞/副詞/（名詞）＋as，故答案為A.
3）、倍數＋名詞
「例如」The sun is many times the size of the moon.
4）、動詞＋倍數
「例如」The pants have shortened two times since they were bought.
5）、動詞+by+數詞/百分比/倍數
「例如」 The landlord wanted to raise the rent by a third. Between 1974 and 1997， the number of overseas visitors expanded （ ）27%. （CET-4 2000，1）
A） by B） for C） to D） in
本題考查動詞+百分比的`表達方法，正確的連線詞為by，故答案為A.
