1. 方式狀語指人的行為方式或做事的方法。方式狀語從句通常由 as / as if / as though / as…so… /引導，有省略現象。例如：
We must work as（等同於the way） he did.
He talked as if / as though he knew everything.
As water is to fish, so air is to man.
As （he was）in China, he begins jogging at 5 every morning.
2. 比較狀語從句用來表達人或事物的屬性或特徵的不同程度，主要運用於形容詞、副詞的原級、比較級和最高級的句子中。它常由as… as…, not so… as …, than…, the more …，the more…引導，也有省略現象。例如：
He is as clever as Tom （is）.
The room is not as / so large as that one.
He runs as fast as I / me.
She doesn't work as / so hard as Mary （does）.
The situation is not as / so bad as （it was）expected.
1. 方式狀語指人的行為方式或做事的方法。方式狀語從句通常由 as / as if / as though / as…so… /引導，有省略現象。例如：
We must work as（等同於the way） he did.
He talked as if / as though he knew everything.
As water is to fish, so air is to man.
As （he was）in China, he begins jogging at 5 every morning.
2. 比較狀語從句用來表達人或事物的屬性或特徵的不同程度，主要運用於形容詞、副詞的原級、比較級和最高級的句子中。它常由as… as…, not so… as …, than…, the more …，the more…引導，也有省略現象。例如：
He is as clever as Tom （is）.
The room is not as / so large as that one.
He runs as fast as I / me.
She doesn't work as / so hard as Mary （does）.
The situation is not as / so bad as （it was）expected.