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[理工类英语] 2012年职称英语《理工类》语法讲解一

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发表于 2012-8-16 00:07:50 | 显示全部楼层 |阅读模式
常见的强调句结构是it 引导的句子。/ Z  ]  w9 z% i9 k" z9 _+ N3 j- z2 N
It is (was) 被强调部分+ that (who) + 句子其他部分。2 \4 n3 K' l0 S
此结构强调的成分仅限于主语,宾语和状语。! @8 b7 _+ B3 S& [% [
It is from the sun that we get light and heat.2 p# C8 [& ^" o( _" |: H9 a
It was not until I had read your letter that I understood the true state of affairs.
" L/ ~& [; c! V使用此句型时, 应注意以下几点。9 U  H1 {3 z' d% F4 o4 e
(1) 一般情况用It is(was)……that…如:2 O# o; N; x% }( F3 f% j  w
He read three books in the library yesterday.
8 o% E$ X% f& g; d0 C我们分别可以强调主语、宾语、地点状语和时间状语。如:7 M; z9 j/ P: \. x' K! q
It was he who(that)read three books in the library yesterday. (强调主语)6 b" l1 d& a8 u- s' {
It was three books that he read in the library yesterday. (强调宾语)8 M. @5 N/ D5 p
It was in the library that he read three books yesterday. (强调时间状语)
( f' |, [+ J' \# p, q) l' C9 Q(2) 当被强调部分指人时, 可用that, 也可用who; 指物时, 只用that, 如:- o2 @$ |; @7 s8 c
It was Tom who(that)I met last week." n6 q2 L# p) u# s
It is a new boke that his brother wants to buy.
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