内容正文:
2018年9月6日
it作形式主语
高考频度:★★★☆☆
难易程度:★★☆☆☆
1. ___________ was a real race against time to get the project done. Luckily, we made it.
A. There
B. This
C. That
D. It
【参考答案】D
2.. 很显然,他是在和我们开玩笑。
__________________________he is playing a trick on us.
【参考答案】It’s obvious that
【试题解析】本句应用it作形式主语,用that引导的从句作真正的主语。obvious显然的。
【拓展延伸】it作形式主语的句型:
It was obvious that...句型中,it为形式主语,that从句为真正的主语。常用于这种结构的形容词有:clear,strange,obvious,certain,important,possible,natural,surprising,interesting,likely,unusual等。
it作形式主语,没有具体意义,而只是帮助把真正的主语移至句子末尾,从而避免句子头重脚轻,使句子显得匀称。It作形式主语,其后的that从句才是真正的主语。
常用it作形式主语的句型有:
(1)It be+形容词(possible, strange, natural, important ...)+that从句
(2)It be+过去分词(said, thought, believed, supposed, reported ...)+that从句
(3)It+不及物动词(seem, occur, happen ...)+that从句
(4)It be+名词短语(a pity, a fact, a wonder, an honour, an idea, no wonder ...)+that从句
【特别注意】
1. 在"It is/was suggested/proposed/desired+that"从句中,从句常用虚拟语气,即从句谓语动词为:should+动词原形,should可以省略。
2. 在句型"It i