如果非要有區別,有這樣一點(diǎn)：

　　狀語(yǔ)從句可以用動(dòng)詞分詞形式直接表示,表語(yǔ)從句當然就不行了,Eg:

　　He doesn't want to go there because he knows there's a war right now.

　　改成：Knowing there's a war right now,he doesn't want to go there.