不定式作状语
7 b% u; y# T) z% Q4 |& ^2 h# ^ 不定式作状语是相当普遍的语法现象,通常表示目的、结果或原因
" ~( \6 j( B' R. o7 p 如:I got an early morning to catch the first train to London. (表目的) ' t9 I1 M, e5 H) M& g3 e! `+ ^
She raised the lid only to find an empty bottle. (表结果) 4 P+ U: ~/ U( j S* A
He trembled to think of his shameful failure. (表原因)
4 F6 v7 z/ e) S! d' p1 n& f/ d1 G( y TOEFL种主要涉及第一种用法
3 g( q7 z) F- n 例题: www.Examw.com; {# M$ }9 s0 ^! b1 Z
(1)
* h. z& R& F+ O! T3 k- u Using their bills as needles, tailorbirds sew large leaves together with plant fiber + q Y/ _7 N8 O& J+ E1 Z# h( E0 B
to forming their nests.
+ v2 T. |9 j) b0 U# K7 e1 | 应改为:to form
! V( a/ I2 Q5 e$ W0 I 解释:to是不定式的标志词,应接动词原形作目的状语
$ ~5 q) X. P+ {" e& ~, R; k (2)
4 Y( t' O; A6 ~4 N! E7 M The dromedary camel is raised especially to racing. 1 o4 A& g2 Y* w! G% {; m
应改为:race 7 X8 l9 a3 G- K. ]! s0 F* _. U
解释:此句中的to不是介词, 而是不定式的标志词, 之后应接动词原形作目的状语 |