（4）由從屬連詞because, as, since, now that（因為） , seeing （that）, considering （that）（考慮到，鑒于）, in view of, in that（因為）引導的原因狀語從句。如：

Now that you are leaving tomorrow, we can eat dinner together tonight．

Theory is valuable in that it can provide direction for practice．

Seeing that（鑒于） Jeff is young and inexperienced, he is not fit for the work．

注意：in that作為連詞，它所引導的原因狀語從句不能置于句首。

Because, since和as都表示原因，because最強烈，as最弱，since居中；because可放在主句之前或后面；since和as引導的原因狀語從句按正式英語要求，則應放在句首而不能置于主句后面。

（5）由though, although, even if, even though, as, while, whatever, wherever, whoever, however, no matter．．．, granting/granted （that）（姑且認為） , in spite of, despite引導的讓步狀語從句。

（6）由as．．．as, the same as, not so as, than引導的對比狀語從句。

（7）由as, as if, as though, the way引導的方式狀語從句。

（8）由that, so that, lest, in case, for fear that, in order that引導的目的狀語從句：

Man does not live that he may eat, but eats that he may live．

人活著不是為了吃飯，吃飯則是為了活著。

Holly carried an umbrella in order that she might stay dry in the rain．

（9）由so that, so．．．that, such．．．that, to such a degree/an extent that引導的結果狀語從句：

It was very cold, so that the river frosted（結霜） ．

天氣非常寒冷，河水都結冰了。