(五)原级、比较级、最高级的句型转换。

　　1. “not as/so+原级+as”结构可转化为比较级than的结构

　　如：David didn’t run as fast as Li Lei——Li Lei ran faster than David.

　　——David run more slowly than Li Lei.

　　This book isn’t as interesting as that one.——That book is more interesting than this one.

　　——This book is less interesting than that one.

　　2. 两个原级的句子合并成含有比较级的句子。

　　Li Ping is ten years old.

　　Wei Hua is seven years old.

　　1)Li Ping is older than Wei Hua.

　　2)Wei Hua is younger than Li Ping.

　　3)Li Ping is three years older than Wei Hua.

　　4)Wei Hua is three years younger than Li Ping.

　　3. 两个原级的句子合并成含有as… as的原级比较的句子。

　　1)I’m ten years old. Lucy is ten years old too.

　　——I’m the same age as Lucy.

　　2)I read two books Lucy read two books too.

　　——I read as many books as Lucy.

　　4. 比较等级的句子中含有any, anyone, anything, other等时，可与最高级的句子进行转换。如：

　　1)Shanghai is bigger than any other city in China.

　　the other cities in China.

　　the others in China.

　　——Shanghai is the biggest city in China.

　　2)Zhang Hai jumps higher than any other student in the class.

　　the others in his class.

　　the other students in the class.

　　anyone else in the class.

　　——Zhang Hai jumps(the)highest in the class.

　　5. 含有比较级的句子可与含有反义词的句子进行转换。

　　如：This ruler is longer than that one.

　　——That ruler is shorter than this one.

　　Traveling by air is more expensive than traveling by train.

　　——Traveling by train is less expensive than traveling by air.

　　6. “like…better”可与“prefer”进行转换。

　　1)Which coat do you like better? ——Which coat do you prefer?

　　2)I like red better than black. ——I prefer red to black.

　　3)I like singing better than dancing. ——I prefer singing to dancing.

　　7. “like…best”与“favorite”进行转换。

　　1)Which coat do you like best? ——Which is your favorite coat ?

　　2)I like bananas best. ——My favorite fruit is bananas.

　　8. “as...as” 与 “ the same…as” 进行转换。

　　This bike is as big as that one. ——This bike is the same size as that one.