(2)
: o8 k0 }4 n8 h y$ {( x$ M/ B A patent gives inventors exclusive rights to their inventions for a fix period of time. 6 x$ n" C; f5 ?+ |$ n8 G% T
应改为:fixed
# Z( L7 f$ U1 \8 | 解释:fix是动词,不能修饰名词period, 依句意改为分词fixed, “一段固定时间” + @% s b) T( a e- Z! N
(3)
; J4 m" A ^9 U! h P" i1 w, { Closed plane figures like the square or the equilateral triangle can be grouped into a class ----polygons.
i r5 F! h5 x ]: ^ (A) called & D, S9 k; N P% X: g8 T/ T
(B) to call
& R$ t+ b; H& r$ G5 e5 n (C) is called
- e6 j+ _- X' Z! ~ (D) call as ) w% Q7 C5 l# R/ N( D4 O
答案:A : f5 U. L1 s- Z
解释:此句主谓完整, 句中又无连词, 需填的只可能是非谓语成分, A 是过去分词短语作定语, 等效于which is called, 符合题意. C D 属谓语结构, 与原句谓语冲突; B 不定式表用途或目的, 意思不通
$ v( }% q( G i2 \) v6 y" q5 y 3. 过去分词作状语 4 D; ^& |% l* q; _
过去分词也可放在句首、句中、句尾作句子的状语,常表示事件发生的背景或原因, 8 `, s* z5 a. |4 T2 R1 M" a# v
如:Seen from far away, the islands look like a chain of pearls in the midst of the lake. 9 x9 M; \' U. q4 O8 y
Defeated in the final, the team gathered to analyze its technical disadvantages.
6 h* o( s( a& I$ y. q+ [- Q) ]& x& k 特别注意:分词状语的逻辑主语和句子的主语要保持一致. 选择题中, 经常要求考生在分词状语部分填入合适的过去分词或现在分词. 到底选择哪种分词, 考生可以采取这样的作题方法: 首先根据“分词状语的逻辑主语和句子的主语要保持一致”的原则确定状语部分的主语, 再判断这个主语和分词是什么关系, 若是主动关系则应该用现在分词, 若是被动关系则要用过去分词. 8 ~" N+ Y/ W( B3 g
例题:
5 D/ i. v- P: ^ (1) 1 o* C$ I4 g5 Z0 p4 ^4 S7 e
---- in 1635, the Boston Latin School is the oldest public school in the United States. ( `% l7 P3 v) A B, ^4 n L9 \
(A) Founded
4 C+ W( p: n7 n0 E3 N8 i) w (B) Founding " Q. A3 L* c+ d- H- B
(C) To found 1 O, W& p' |# G8 I! A4 ~: g
(D) Having founded
6 r6 g+ z$ [# E8 _3 ~4 n/ a; _% L 答案:A " Y G9 ]3 E, q4 g: b. f* x
解释:分词部分的逻辑主语也应当是the Boston Latin School, 它和found之间是被动关系, 所以空格处应填入过去分词
+ a) X& k/ x8 Q/ ^ (2) 7 G; T4 }3 h: g; _- K6 G
Almost destroy by fire in 1814, the White House was rebuilt and enlarged over the next three year. & F7 l: _7 x5 N3 I! u
应改为:Almost destroyed 9 D# n6 X, _) X+ w
解释:by是被动式的标志词, 动词destroy应用过去分词destroyed, 这样既表被动又构成句子的状语 |