原因狀語從句主要的有although, though, even though, even if, while, however, whatever, whoever, whenever, wherever等。如：
Although [Though] he is poor, he is well contented. 他雖窮卻能知足常樂。
Though [Even though] it’s hard work, I enjoy it. 盡管是苦活，但我樂意干。
Even if you don’t like wine, try a glass of this. 即使你不喜歡喝酒，也嘗嘗這杯吧。
While we don’t agree we continue to be friends. 盡管我們意見不同，但我們還是朋友。
However you use it, it won’t break. 不管你怎么使用，它都不會破。
Whatever you say, I believe you. 無論你說什么，我都相信你。
Whoever telephones, tell them I’m out. 不管是誰打電話，都說我出去了。
Whenever you come, you are welcome. 你什么時候來，我們都?xì)g迎。
However much he eats, he never gets fat. 無論他吃多少, 他都不發(fā)胖。
Although [Though] he is poor, he is well contented. 他雖窮卻能知足常樂。
Though [Even though] it’s hard work, I enjoy it. 盡管是苦活，但我樂意干。
Even if you don’t like wine, try a glass of this. 即使你不喜歡喝酒，也嘗嘗這杯吧。
While we don’t agree we continue to be friends. 盡管我們意見不同，但我們還是朋友。
However you use it, it won’t break. 不管你怎么使用，它都不會破。
Whatever you say, I believe you. 無論你說什么，我都相信你。
Whoever telephones, tell them I’m out. 不管是誰打電話，都說我出去了。
Whenever you come, you are welcome. 你什么時候來，我們都?xì)g迎。
However much he eats, he never gets fat. 無論他吃多少, 他都不發(fā)胖。