A as+原级+as用于肯定句，as/so+原级+as用于否定句：

　　He worked as slowly as he dared.

　　他干活敢多么磨蹭就多么磨蹭。

　　He doesnt snore as/so loudly as you do.

　　他打鼾的声音没有你响。

　　It didnt take as/so long as I expected.

　　花的时间比我预料的短。

　　B than与比较级连用：

　　He eats more quickly than I do/than me.

　　他比我吃得快。

　　He played better than he had ever played.

　　他比过去任何时候都演奏得好。

　　They arrived earlier than I expected.

　　他们比我预料的到得早。

　　the+比较级the+比较级结构中也用副词：

　　The earlier you start the sooner youll be back.

　　你出发得越早，回来得就越早。

　　C 最高级可与of+名词连用：

　　He went(the)furthest of the explorers.

　　在所有探险者中他走得最远。

　　但这种结构不常用。这类句子应当用比较级来表达，如上文所述。副词的最高级(不加the)+of all这种结构很常用，但all常指同一主语的其他动作：

　　He likes swimming best of all.

　　他最喜欢游泳。(他喜欢游泳胜过其他一切运动。)

　　这时of all可以省略。

　　A as+原级+as用于肯定句，as/so+原级+as用于否定句：

　　He worked as slowly as he dared.

　　他干活敢多么磨蹭就多么磨蹭。

　　He doesnt snore as/so loudly as you do.

　　他打鼾的声音没有你响。

　　It didnt take as/so long as I expected.

　　花的时间比我预料的短。

　　B than与比较级连用：

　　He eats more quickly than I do/than me.

　　他比我吃得快。

　　He played better than he had ever played.

　　他比过去任何时候都演奏得好。

　　They arrived earlier than I expected.

　　他们比我预料的到得早。

　　the+比较级the+比较级结构中也用副词：

　　The earlier you start the sooner youll be back.

　　你出发得越早，回来得就越早。

　　C 最高级可与of+名词连用：

　　He went(the)furthest of the explorers.

　　在所有探险者中他走得最远。

　　但这种结构不常用。这类句子应当用比较级来表达，如上文所述。副词的最高级(不加the)+of all这种结构很常用，但all常指同一主语的其他动作：

　　He likes swimming best of all.

　　他最喜欢游泳。(他喜欢游泳胜过其他一切运动。)

　　这时of all可以省略。