2013年职称英语考试句型语序:从句类型(2)
/ r8 `, l6 n8 T( ]原因状语从句 1 n% O3 i' Q0 g3 ` D
I) because, since,和as引导的原因状语从句 ) k' i; O |: G- G
1. 其中because语气最强,多表示所述理由是本句重点,强调别人未知的事实,故because引导的从句多放在句末,回答why的问句时,只能用because。
! W% q2 W9 n' s5 ] 在语气上since次之,as最弱。since和as表示的原因,多是已知的既成事实,原因以外的才是叙述的重点,因而两者多用于句首。 1 @5 s9 \* r' d7 T) _9 o! |
As it is raining, let’s stay indoors. 4 R: d& y4 l% K* e8 `" c$ l
Since you have no license, you are not allowed to drive.
1 b$ p/ d# ^, m+ x 用强调句式强调原因状语从句时,只能用because引导。 . Z4 m9 b6 B/ {1 G: ?$ n
It was because he was careless that he failed.
% a& r. U: I" a: N 在because引导的从句中,如果主句是否定句,而主句和后面的从句之间没有逗号分开,这时not 修饰的是后面的整个从句。
; p/ j8 Q( K, M, |$ [ Y: Y. Q The machine did not stop because the fuel was used up. 2 Z/ n% ^! C; V7 Z6 \$ L4 ]" B; I
机器停了下来,并不是因为燃料用光了。
+ v6 k6 H. P' R5 L 如果主句和从句间用逗号分开,意思就不同了。 转自:考试网 - [Examw.Com]1 g4 e4 [, \6 Y& k5 {
I was not kind to him, because he was rude. 我对他不友好,因为他无礼。
7 V" i' X* V7 j2 H ?& ^ II) for 和because 的区别 ( b- a7 p# o5 o4 G+ T
because 表示因果关系,语气最强;而for引导的是并列句,它只是对前面分句进行解释, 说明推断的理由,并且只能后置。 + Z/ D) s) J- E3 E* X, M% F
It must have rained last night, for the ground is wet this morning. 7 J$ ~$ g4 h' Q1 m
(该句不能用because, 因为现在地面湿不是导致昨夜下雨的原因)
0 d4 H4 \3 X' }' p' j It is morning, for the birds are singing. 天亮了, 鸟儿在鸣叫。 # N: I4 V2 p8 D
(鸟鸣不能引起天亮,所以本句不能用because代替for) |