I won’t help her unless she asks me to. 除非她要求我,否則我不會幫她。
He didn’t come because he was ill. 因為他病了,所以沒來。
As he hasn’t appeared yet, we shall start without him. 既然他還沒有出現,我們就先開始吧。
Since everybody is here, let’s begin. 既然大家都到了,咱們就開始吧。
4.連詞in order than, so that引導目的狀語從句;so…that…引導結果狀語從句:
I locked the door in order that we might continue our discussions undisturbed. (=I locked the door in order to continue our discussions undisturbed.) 我把門鎖上了,以便我們可以繼續討論而不受打擾。
The car ran so fast that I couldn’t see who was in it. 汽車跑得那么快,我沒看清誰坐在里面。
5.連詞than, as…as…, not as/so…as…用來引導比較狀語從句:
He is better educated than his brother. 他比他兄弟受的教育好。
He is as well educated as his brother. 他和他兄弟受的教育一樣好。
He is not as/so well educated as his brother. 他沒有他兄弟受的教育好。
6.連詞although, though 引導讓步狀語從句;where, wherever 引導地點狀語從句:
I’ll go wherever you go. 不管你去哪兒,我就去那兒。
Stay where you are! 原地別動!
Though/Although she is rich, she’s not happy. 盡管她富有,但她并不幸福。