Unit 6 The Media 语法it用法 课件-2024-2025学年高中英语北师大版（2019）选择性必修第二册

Unit6 Grammar：it 的用法 春风学高中部英语教研组 学习目标：1.学习并掌握代词it的指代，做形式主语 和形式宾语的用法 2.能在写作中熟练且正确运用it 3.简单了解中英文语言在组织上的不同 Look at these sentences. What do they have in common? What time is it? It’s nice to see you again. How far is it from London to Bristol? At my age I would find it hard to get another job. It isn’t raining. Is it true that you are going away? “it” is a very useful word in English and can be used in many ways. Step1 Leading-in 1.回忆it的词性 2.It is +adj.+for sb.+to do sth.中it充当什么成分？ pronoun Formal subject Independently preview the knowledge of step 2 and complete the corresponding exercises Step2 Independent preview Xi’an is a beautiful city，isn’ t it?（指___________） It is a lovely day，isn’ t it?（指___________） It was nearly midnight when she came back.（指___________） It was very quiet in the café.（指___________） It is half an hour’ s walk to the city centre from my home.（指___________） —What’ s the date today? —It’ s November 13, 2023.（指___________） It is winter now.（指___________） Xi an 环境 天气 时间 日期 距离 季节 Usage 1:it 的最基本用法是作代词，主要指上文提到的事物，以避免重复： _____________; __________________; _____________ It is amazing that at my age I am still fit. It is easier to fall than to rise. It is no good crying over spilt milk. Formal subject “It” can be used in the subject position to stand for: a clause an infinitive form an -ing form Usage 2: I think it best that you should do more exercise. He found it difficult to accustom himself to getting up early. Formal object “it” can be used in the ________ position to stand for __________, ___________, etc. a clause an infinitive object Usage 3: it 的用法 it可作形式主语或宾语，真正的主语或宾语为后面的从句或动词不定式短语(有时也可为V-ing形式) 形式作用 指代作用 1) it用来指代一个具体的事物或前面提到过的事物 2) it用来表示时间、天气、距离、日期等 Why is “it” used in the subject or object position instead of the clause, infinitive, etc it stands for? Step3 Discuss That money doesn’t grow on trees is true. is true that money doesn’t grow on trees. It is true that money doesn’t grow on trees. 钱不长在树上是真的 遵循英语语言的尾重原则, 避免句子头重脚轻。 补充 it 做形式主语 ① it is+adj.+(for/of sb)+to do 用介词for, adj.是用来形容to do这件事 (常见的adj.有important, vital, necessary, essential, normal, easy, difficult, possible...) 用介词of, adj.是用来形容sb (常见的adj.有kind, polite,honest,brave, clever, rude, stupid,silly...) ②it takes sb +时间/金钱+to do sth Step4 In-depth study 补充 it 做形式宾语 (“6123”结构) “6”指6个常见的动词：think believe make find consider feel “1”指形式宾语“it” “2”指宾补的两种形式：名词或形容词 “3”指真正宾语的三种形式to do、doing、that从句 补充 it 常用句型 (1.)It is/was +被强调部分+that+其它 It was in Beijing that I saw the film Wolf Warriors Ⅱ. (2.)It is/was the first time that...现在完成时/过去完成时 It was the first time that Helen had understood such a complex word. (3.)It is high time to do/that... 做某事的时间到了 It is high time that we should have lunch. 补充 it 固定短语 Believe it or not.信不信由你。 Make it. 办得到，做成功。 Take it easy.别着急，慢慢来。 It’s up to you.由你决定。 It /That (all) depends. 那要看情况而定。 Forget it.算了吧，别在意，没关系。 It doesn’t matter. 没关系。 When it comes to… 当谈到…； 当涉及… That's it. 对了，正是。 今天是星期日，能在此演讲是我的一大荣幸。我的主题是“高二（6）班，我爱你。” 我们的教室在三楼，到操场很方便（convenient），所以在业余时间，我们经常去那里锻炼身体。众所周知，一直不停地学习是没好处的。简言之，我爱我们的班级。 而且，我也爱我的同学。我们认为助人为乐(help others)是很重要的。我们都很勤奋，每天早上6:00我们在教室读英语或语文，直到晚上10点我们才离开教室。我们相信：是努力（effort）而不是智力（intelligence）决定成功。 总之，信不信由你，高二（6）班是我校最好的班级之一，让我引以为傲。 练习把it有效运用在写作中 Step5 Exercise 形式主语 今天是星期三，能在此演讲是我的一大荣幸。我的主题是“高一（4）班，我爱你。” 指时间 It is Sunday today. It’s my honor to make a speech here. My topic is “ I Love You,Class6,Grade2.” It is no good/ no use doing sth. It is convenient for sb. to do 我的教室在三楼，到操场很方便，所以在业余时间，我们经常去那里锻炼身体。众所周知，一直不停地学习是没好处的。简言之，我爱我的班级。 My classroom is on the third floor. It is convenient for us to go to the playground, so we often go there to take exercise in our spare time. As we all know, it is no use studying all the time. In a word, I like my class. 形式宾语 强调句中被强调部分 而且，我也爱我的同学。我们认为助人为乐是很重要的。我们都很勤奋，每天早上6:00我们在教室读英语或语文，直到晚上10点我们才离开教室。我们相信：是努力而不是聪明决定成功。 Besides, I also like my classmates. We think it important to help others. We are hard-working. It is at 6:00 every morning that we read English or Chinese. And it is not until 10:00 that we leave the classroom. We all believe : It is our efforts, not our intelligence, that determine our success! 固定结构 In short, believe it or not, Class6, Grade2 is one of the best classes in our school，and I’m proud of it. 代词 指代高二（6）班 总之，信不信由你，高二（6）班是我校最好的班级之一 ，让我引以为傲。 Dear teachers and students, It is Sunday today. It’s my honor to make a speech here. My topic is “ I Love You, Class6,Grade2.” My classroom is on the third floor. It is convenient for us to go to the playground, so we often go there to take exercise in our spare time. As we all know, it is no use studying all the time. In a word, I like my class. Besides, I also like my classmates. We think it important to help others. We are hard-working. It is at 6:00 every morning that we read English or Chinese. And it is not until 10:00 that we leave the classroom. We all believe ：It is our efforts, not our intelligence, that determine our success! In short, believe it or not, Class6 , Grade2 is one of the best classes in our school，and I’m proud of it. That’ all. Thank you. 完成下列习题 状元金榜P179单句语法填空1/2/3.4题，语篇填空1/4/5题，阅读理解1 Step6 Homework Thank you $$