nowthat引导什么从句（表示原因的几个词because）

常用的引导词有because因为,as由于,Since既然，由于,now that既然，由于,not that...but that不是因为……而是因为……，seeing that，considering that（考虑到，鉴于）等。如：

▲从属连词用法区别

01

• because译作“因为”，表示直接原因，语气较强，能回答由why提出的问句。

The old man asked Lucy to move to anotherchair because he wanted to sit next to his wife.

那位老人让露西换坐到另一把椅子上，因为他想挨着妻子坐。

02

• as译作“由于”，语气较轻，常表示显而易见的原因；since (既然), now that (既然), in that (因为)，表示双方都知道的原因，语气较弱。as, since和now that引导的从句多位于主句之前。

Now that you have got a job, you shouldlearn to be independent of your parents.

既然你找到了一份工作，你应该学会独立不依靠父母。

扩展as 在完形选项中常考的意思

【例1】AtDavid’s store , Buck Davis stood behind the cash desk , talking to a farmer. Inodded 45 I passed him on my way to the hardware shelves.

45．A．until

B．as

C．cause

D．since

☞解析:此处，as考查表示时间的意思“当…时候”当我从他身边走过时，我点点头。B

【例2】Atthat moment she was particularly ___41___ over the loss of the pictures she hadshot at our Polynesian Luau, 42__ this was a memory sheespecially treasured.

42. A. when

B.where

C. as

D. which

☞解析: 由as引导的原因状语从句，表示原因，她伤心是因为她非常珍视这份记忆。C

【例3】There，grandfather ate alone in the corner While the rest of the family enjoyed dinner at the dinner table. 47 grandfather had already broken a dish or two，his food was served in a wooden bowl.

47.A.After

B.Since

C .While

D.When

分析.此处，完形考查since：由于，因为

,