2017届高考英语一轮复习热点课件：第9节名词性从句高效语法_高考复习指南

2017届高考英语一轮复习热点课件：第9节名词性从句高效语法

　　我们必须努力学习。 It is obvious that he has won the game.

　　很明显，他已经赢得了比赛。 2．It ＋ be ＋过去分词＋ that从句 It is believed that… 人们相信…… It is known to all that… 众所周知…… It has been decided that… 已决定…… It is believed that he is a famous singer.

　　＝He is believed to be a famous singer.

　　大家都相信他是一位著名的歌手。 It is known to all that nobody will go there to help.

　　众所周知，没人会去帮忙。 3．It ＋ be ＋名词＋ that从句 It is common knowledge that… ……是常识 It is a surprise that… 令人惊奇的是…… It is a fact that… 事实是…… It is common knowledge that the earth moves round the sun. 地球绕着太阳转，这是常识。 4．It ＋不及物动词＋ that分句 It appears that… 似乎…… It happens that… 碰巧…… It occurred to me that… 我突然想起…… It happened that I came across an old friend on the street. ＝I happened to come across an old friend on the street.

　　我碰巧在街上遇到一位老朋友。四、否定转移 1．将think, believe, suppose, expect, fancy, imagine等动词后面宾语从句的否定词转移到主句中，即主句的谓语动词用否定式，而从句的谓语动词用肯定式。 I don't think the film is interesting.

　　我觉得这部电影没什么意思。注意：若谓语动词为hope，宾语从句中的否定词不能转移。 I hope you weren't ill. 我想你没有生病吧。 2．将seem, appear 等后的从句的否定转移到前面。 It doesn't seem that they know where to go. 看来他们不知道往哪去。 It doesn't appear that we'll have a sunny day tomorrow. 看来我们明天不会碰上好天气。 3．有时将动名词、介词短语或整个从句的否定转变为对谓语动词的否定。 I don't remember having ever seen such a man. 我记得从未见过这样一个人。 (not否定动名词短语 having…) It's not a place where anyone would expect to see strange characters on the street. 在这里，人们不会想到在街上会碰上陌生的人。 (anyone 作主语，从句中的谓语动词不能用否定形式。) 4．有时状语或状语从句中否定可以转移到谓语动词前。 The ant is not gathering this for itself alone.(否定状语) 蚂蚁不只是为自己觅食。 He was not ready to believe something just because Aristotle said so. (否定because状语)