TA的每日心情 | 怒 2019-9-29 20:45 |
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签到天数: 37 天 [LV.5]常住居民I
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发表于 2019-8-24 16:32:59
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本帖最后由 张琴琴 于 2019-8-24 16:52 编辑 $ f4 q9 }8 K; s# x1 z( R
0 K2 h# L+ f* C. H3 |这里的show属于朗文词典中的这条用法:' E( I+ Y; ] k( d$ }
be shown to be/do something
k) X1 ^& C4 G The campaign has been shown to be a waste of money. t5 w: h3 l7 p6 ], ?/ Q; N I2 t
The new treatment has been shown to reduce the number of deaths.
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而这里后接的不定式可以等价于从句,但从句中的谓语却要使用相应的时态或情态动词,如:
% P; \* a$ `; [3 P) G5 DIt has been shown that the campaign IS a waste of money.
0 v. }" t% z2 F; D7 s8 a' j) FIt has been shown that the new treatment CAN reduce the number of deaths.
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$ F, ^8 [- x0 v- g" ]6 n回到原句中,我们用从句表达可以是(注意以下不同时态所表达的时间含义不同):/ H9 R+ p2 J8 _4 a6 p
It was shown that teachers had utilzied the ideas, but eventually they reverted to previous practices.
/ l3 G2 K" i6 h+ N% EIt was shown that teachers had been utilizing the ideas, but eventually they reverted to previous practices.
8 p! [9 o- [8 q1 [" AIt was shown that teachers were utilizing the ideas, but eventually they reverted to previous practices.
3 A) D( `3 E8 I% z% {但却不说
. \( O" {$ {$ n' kIt was shown that teachers utilized the ideas, but eventually they reverted to previous practices.
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所以原句
/ |. l! I4 I4 c9 C0 _Teachers were shown to be utilizing/to have utilized 都是说得通的,却不能使用to utilize) z0 K* n3 Q( h4 \
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