Unit 6 Section Ⅲ GRAMMAR it的用法（Word教参）-【优化指导】2023-2024学年新教材高中英语选择性必修第二册（北师大版2019）

Section Ⅲ　GRAMMAR it的用法 [对应学生用书P142] [观察] 1.—Where's your car? —It's in the garage. 2.Start a new file and put this letter in it. 3.Her baby's due next month. She hopes it will be a boy. 4.When the factory closes, it will mean 500 people losing their jobs. 5.Does it matter what colour it is? 6.It appears that the two leaders are holding secret talks. 7.I find it strange that she doesn't want to go. [归纳] it可作人称代词,指示代词,先行词及引导词。 [对应学生用书P143] 一、it的基本用法 1.指天气、季节、时间、距离、环境等。 It is early spring, but it is already hot. 现在是初春，但是天气已经很热了。 2.代替前面提过的事物、群体、想法、内容等。 Although he didn't like it, I decided to see the movie anyway. 尽管他不喜欢看这部电影，但我还是决定去看一看。 3.代替指示代词，起着this或that的作用。 —Is this your book？ —No, it isn't. ——这是你的书吗？ ——不是。 —What's that? —It is a video. ——那是什么？ ——它是一台录像机。 4.指不知性别的婴儿或不明身份的人(由于某种原因而不知对方是谁)。 What will you call it if it is a boy？ 要是男孩的话，你会给他取个什么名字？ [即学即练]　完成句子 ①到故宫有多远？ How far is it to the Summer Palace. ②这是一件新衣服，我昨天买的。 This is a new coat. I bought it yesterday. ③——去看看是谁来的电话。 ——是汤姆。 —Go and see who it is that rings. —It's Tom. ④——这是谁的房间？ ——是我父母的。 —Whose room is this? —It is my parents'. 二、it的特殊用法 （一）作形式主语 1.基本用法 it作形式主语，常用来代替作主语的动词不定式短语、动名词短语或名词性从句。 It is up to you to decide. 这要由你来决定。 It doesnt matter what you do. 你干什么都没有关系。 2..固定句式 It is a pity/shame that ... 真可惜…… It is no wonder that ... 难怪…… It is no use/good doing ... 做……没有用/好处。 It seems/appears that ... 似乎/看来…… It looks/seems as if/as though ... 看起来好像…… It happens that ... 碰巧…… It occurs to/comes to/strikes/hits Sb.that ... 某人突然想起…… It is said/reported that ... 据说/据报道…… It is certain that ... ……是一定的。 It takes Sb. some time to do ... 做……花费某人若干时间。 if it were not for .../if it had not been for ...要不是…… （二）作形式宾语 1.基本用法 it作形式宾语，常用来代替作宾语的动词不定式短语、动名词短语。例如： It makes me happy to hear you have recovered. 听说你恢复了健康，这使我很高兴。 We thought it no use doing that. 我们认为做那事没有用。 2.常用句型 ①主语＋think/believe/suppose/consider/feel/make/keep ...＋it＋adj./n.＋(for/of Sb.) to do/that从句 ②主语＋think/believe/suppose/consider/feel/make/keep ..