Ⅰ. so that 可引導(dǎo)目的狀語(yǔ)從句和結(jié)果狀語(yǔ)從句，引導(dǎo)目的狀語(yǔ)從句時(shí)，句中常有情態(tài)動(dòng)詞can, could 等。如：
① They climbed higher so that they might see farther. 他們爬得更高，以便看得更遠(yuǎn)。
② I got up early this mornign so that I caught the first bus. 今天早晨我起得很早，結(jié)果趕上了頭班車。
Ⅱ. so …that “如此……以致……”，so 是副詞，在其后可跟形容詞或副詞，再跟that引導(dǎo)結(jié)果狀語(yǔ)從句。如：
① He spoke so fast that no one could understand him. 他說(shuō)得太快，沒(méi)人能聽(tīng)得懂。
② The T-shirt cost so little that she bought several. 那件T恤衫很便宜，她買了好幾件。
Ⅲ. such … that 與so … that 同意。但such 后跟名詞或名詞短語(yǔ)。如：
① She is such a girl that everyone likes her. 她是個(gè)人人喜歡的女孩。
② He made such raped progress that before long he began to write articles in English for an American newspaper. 他進(jìn)步如此之快，以至于不久就開(kāi)始用英語(yǔ)給一家美國(guó)報(bào)紙撰稿了。
[注]：如果名詞前為many 修飾時(shí)，用so 而不用such. 見(jiàn)下節(jié)例子。
① They climbed higher so that they might see farther. 他們爬得更高，以便看得更遠(yuǎn)。
② I got up early this mornign so that I caught the first bus. 今天早晨我起得很早，結(jié)果趕上了頭班車。
Ⅱ. so …that “如此……以致……”，so 是副詞，在其后可跟形容詞或副詞，再跟that引導(dǎo)結(jié)果狀語(yǔ)從句。如：
① He spoke so fast that no one could understand him. 他說(shuō)得太快，沒(méi)人能聽(tīng)得懂。
② The T-shirt cost so little that she bought several. 那件T恤衫很便宜，她買了好幾件。
Ⅲ. such … that 與so … that 同意。但such 后跟名詞或名詞短語(yǔ)。如：
① She is such a girl that everyone likes her. 她是個(gè)人人喜歡的女孩。
② He made such raped progress that before long he began to write articles in English for an American newspaper. 他進(jìn)步如此之快，以至于不久就開(kāi)始用英語(yǔ)給一家美國(guó)報(bào)紙撰稿了。
[注]：如果名詞前為many 修飾時(shí)，用so 而不用such. 見(jiàn)下節(jié)例子。