Unit 6 Lesson 1 Grammar ppt课件-（2020）新北师大版高中英语选择性必修第二册.pptx

1、To learn about and practise “it”.1 it is safe to say that great films may be made from not particularly good books. (lines 5-6)FOCUS ON LANGUAGE: ITFind the following sentences in the article. What does “it” refer to in each situation?to say that great movies may be made from not particularly good b

2、ooks2 It allowed the previously unfilmable to become a reality. (lines 28-29)3 it is the book writer who is in the best position to do film adaptations. (lines 30-31)4 find it difficult to adapt to a new form. (lines 33-34)CGI technologythe book writerto adapt books to a new form5 it is clear that v

3、iewers will not be disappointed! (lines 38-39)viewers will not be disappointedFind more sentences with it in the article. What does each of them refer to? its normal to have high expectations when a film “it” refers to “to have high expectations”. it becomes a question for screenwriters to decide wh

4、at is appropriate for the screen and what to leave out. “it” refers to “screenwriters decide what is appropriate for the screen and what to leave out”. it is always a bad idea to watch a film of a book you love.“it” refers to “to watch a film of a book you love”.it的用法和常用句型的用法和常用句型it可以作代词，形式主语，形式宾语，还

5、可以可以作代词，形式主语，形式宾语，还可以用于强调句中。用于强调句中。一、一、it作代词作代词1. 指前面已经提到的事物、不知性别的婴儿或身份指前面已经提到的事物、不知性别的婴儿或身份不明的人（由于某种原因而不知道对方是谁）。不明的人（由于某种原因而不知道对方是谁）。 e.g. He bought a book and gave it to me. John has got a dog; he has had it for four months. Someone is ringing the doorbell. Go and see who it is.2. 表示天气、日期、时间、距离等。表

6、示天气、日期、时间、距离等。 e.g. It is raining heavily outside. Its Monday today. Its a long time since we met last time. Its about two kilometers from here to the station. 3. 用以代替指示代词用以代替指示代词this, that。 e.g. Whats this? Its a flag.二、二、it作形式主语或形式宾语作形式主语或形式宾语1. it作形式主语作形式主语1) 真真实主语是不定式或动词实主语是不定式或动词-ing形式。形式。 e.g.

7、 It would be a pity to miss this opportunity. Its no good standing here in the cold. Lets go home.2) 真真实主语是主语从句。常见句型如下：实主语是主语从句。常见句型如下：a. It+be +名词名词+主语从句。主语从句。 It is a pity/ shame that 真可惜真可惜 It is no wonder that 不不足为奇，并不奇怪足为奇，并不奇怪 e.g. It is a great pity (that) he cant swim. You past the exam? It

8、is no wonder that you look so happy. b. It+be+形容词形容词+主语从句。主语从句。 It is certain that 肯定肯定 It is well-known that 众所周知众所周知 e.g. It is certain that we shall be late. It is impossible that it (should) be a mere coincidence. Its strange that he knows nothing about it. It was not clear to me why he behaved

9、like that.c. It+动词（动词（+宾语或状语）宾语或状语）+主语从句。主语从句。 It happens that 碰巧碰巧 It occurs to / comes to/ strikes / hits sb. that 某某人突然想起人突然想起 e.g. It happened that he had just left for Tianjin. It pleases me that he (should) want to talk with me. It doesnt matter much where we live.d. It+动词的被动语态动词的被动语态+主语从句。主语从

10、句。 It is said/ reported that 据说据说/ / 据报道据报道 e.g. Its accepted that the universe is endless. It is not decided who will take charge of the program.2. it作形式宾语作形式宾语1) 真真实宾语是不定式或动词实宾语是不定式或动词-ing形式形式, 主语主语+think/ believe/ suppose/ consider/ feel/ make/ keep+it +adj./n.+for/ of+sb. to do sth./ that从句从句 主语

11、主语+think/ believe/ suppose/ consider/ feel/ make/ keep+it +no use/ no gooddoing sth. e.g. He felt it his duty to take good care of them. I think it very unwise going on like this.2) 真真实宾语是从句。常见句型如下：实宾语是从句。常见句型如下：a. 主语主语+动词动词+it +形容词形容词+ that从句。从句。 e.g. I find it amazing that anyone would want to lis

12、ten to that music. b. 主语主语+动词动词+it+if / when从句。常用于此句从句。常用于此句 型的动词有型的动词有appreciate, enjoy, like, dislike, love, hate等。等。 e.g. She wont like it if you arrive late. He hates it when people use his bike.c. 主语主语+短语动词（动词短语动词（动词+介词）介词）+it +that从从 句。常用于此句型的短语动词有句。常用于此句型的短语动词有depend on, answer for, see to等。等

13、。 e.g. You may depend on it that he will turn up in time. Ill see to it that all these letters are sent to the post office before twelve.三、三、it用于强调句中用于强调句中 为了强调句子的某一成分，常使用强调句型：为了强调句子的某一成分，常使用强调句型：It is / was . that / who .。原句：原句：Alice bought a Walkman from a store last week. 我们可以用下面四个强调结构分别强调句中的主语、我

14、们可以用下面四个强调结构分别强调句中的主语、宾语和两个状语。宾语和两个状语。It was Alice who / that bought a Walkman from a store last week. （强调主语（强调主语Alice） It was a Walkman that Alice bought from a store last week. （强调宾语（强调宾语a walkman） It was from a store that Alice bought a Walkman last week. （强调地点状语（强调地点状语from a store） It was last w

15、eek that Alice bought a Walkman from a store. （强调时间状语（强调时间状语last week）四、一些含四、一些含it的固定句型的固定句型As someone puts it, . 像某人所说的那样，像某人所说的那样，Please see to it that . 请务必请务必When it comes to . 当提到当提到时时It looks / seems as if . 看起来好像看起来好像Its time for sth. 该做某事了该做某事了Its time (for sb.) to do sth.（某人）该做某事了（某人）该做某事了I

16、t is (high) time that .（早就）该（早就）该Its first / second / third / . time + that . 这是这是第几第几次次（从句谓语用现在完成时）（从句谓语用现在完成时）It is / has been +一段时间一段时间+since . 自从自从已经已经It wasnt / wont be long before . 没过多久就没过多久就/ /很快很快Its+时间段时间段+before . 过过时间才时间才a a third-person singular pronoun that refers to an object or an id

17、eab a pronoun that works as a formal subject / objectc a pronoun that leads an emphasised part in a sentenceRead the sentences in Activity 8. What is the function of “it” in each sentence?1 it is safe to say that great films may be made from not particularly good books. (lines 5-6)2 It allowed the p

18、reviously unfilmable to become a reality. (lines 28-29)a a third-person singular pronoun that refers to an object or an ideab a pronoun that works as a formal subject / objectc a pronoun that leads an emphasised part in a sentenceb a 3 it is the book writer who is in the best position to do film ada

19、ptations. (lines 30-31)4 find it difficult to adapt to a new form. (lines 33-34)5 it is clear that viewers will not be disappointed! (lines 38-39)a a third-person singular pronoun that refers to an object or an ideab a pronoun that works as a formal subject / objectc a pronoun that leads an emphasis

20、ed part in a sentencec b b 1 Simon spent two hours finishing his homework. Rewrite the sentence, using “it” to stand for “finishing his homework”.Use “it” to write sentences according to the requirements.It spent Simon two hours to finish his homework.2 They made such a film in one month, which was

21、unbelievable. Rewrite the sentence, using “it” to stand for “to make such a film in one month”.It was unbelievable that they made such a film in one month.3 Jason was reading the new comic book. He found reading the book so interesting. Rewrite the sentence, using “it” to stand for “reading the book

22、”.It was reading the new comic book that Jason found was so interesting.4 The film is very interesting. Obviously the viewers will not be disappointed. Rewrite the sentence, using “it” to stand for “the viewers will not be disappointed”.The film is very interesting, and it is obvious that the viewer

23、s will not be disappointed.5 I dont find it easy to learn languages, and I improve my English only by studying very hard. Rewrite the sentence, using “it” to emphasise “only by studying very hard”.I dont find it easy to learn languages. It is only by studying very hard that I improve my English.根据所给

24、要求改写下列句子。根据所给要求改写下列句子。1. A professor from Peking University gave us a speech yesterday. （对画线部分进行强调）（对画线部分进行强调） _ _2. The tourists were rescued with the help of the local guide. （对画线部分进行强调）（对画线部分进行强调） _ _It was a professor from Peking University that / who gave us a speech yesterday.It was with the h

25、elp of the local guide that the tourists were rescued.3. Mary didnt mention her own plan until near the end of the letter. （对（对not . until .进行进行 强调）强调） _ _It was not until near the end of the letter that Mary mentioned her own plan.用用it作形式主语或形式宾语补全下列句子。作形式主语或形式宾语补全下列句子。1. 我认为我们开这个会是必要的。我认为我们开这个会是必要的。 I think _ that we have the meeting.2. 众所周知众所周知，世，世界上中国人口最多。界上中国人口最多。 _ China has the largest population in the world.3. 据说他们都去看电影了。据说他们都去看电影了。 _ all of them have gone to the cinema.it neccessaryIt is well-known thatIt is saidTry to memorize the grammar rules.