2013年职称英语考试语法指导:状语从句45 o/ L U; p6 k9 ]# D" m) [
地点状语从句:where, whereverMake a mark wherever you have any questions.We will go where the Party directs us. 7 N: v2 d+ t$ j, K7 w! `, X6 [. o
目的状语从句:that, so that, in order that注意:目的状语从句的谓语动词常与情态动词连用,否则可能是结果状语从句。不可置于句首。 ( y0 ]$ k9 @5 R8 ~. s
结果状语从句:that, so that, so … that, such … that …注意:so + 形容词/副词 + that从句;such + 名词 + that从句。 # }/ V5 P/ u/ f
方式状语从句:as, as if(though)I’ll do as I am told to.It looks as if it is going to rain. 中华考试网(www.Examw。com)
; A$ d1 j" W$ L- R, a2 H. X比较状语从句:than, as
3 @) T% Z2 s L7 q7 @2 c) {; q条件状语从句:if, unless, so (as) long as, in case, once, a far as, on condition that.注意if与unless的区别:不能用and连接两个unless从句,即不能有… unless …,and unless … 。但if … not and if … not却不受此限。You won’t lose your weight unless you eat less and unless you exercise more.(×)但可以说 … unless you eat less and exercise more. 8 k- t) l' ]% p& i8 H& X! e
注意状语从句中从句的省略现象(1)连接词 + 过去分词Don’t speak until spoken to.Pressure can be incrased when needed.Unless repaired, the washing machine is no use.(2)连词 + 现在分词Look out while crossing the street.(3)连词 + 形容词/其他常见的有it necessary、if possible、when necessary、if any等。 |