新课标人教英语选修6 unit4 Gammar it用法课件.ppt

Period 4 Grammar,Grammar,The use of “it”,Lead in 1. It is Tuesday today. 2. It is March 10th,2008 3. It is sunny . 4. It is 7:30. Lets begin our class. 5. It is 25 kilometers from my home to Fenghui high school.,Whos it? _me. Look at the picture. _is a picture of our school. 1.用作人称代词，代表前面提到的人或事物。,Its,It,-Is this jacket yours? -Yes, _ is. 2.用于代替指示代词this 和that.,it,一、it做代词,It is half past eight now. Its only half an hours walk from here to our school. I hope that it will be fine tomorrow. It has rained much this year. Its spring now. Its quiet here.,Time,Distance,Weather,Weather,Season,Circumstance,3.用以表示时间、距离、天气、气候、 季节、环境等,it做形式主语,（1）It + be + 名词 + that从句 e.g. It is a pity/a fact/a wonder/no wonder that （2）It + be + 形容词 + that从句 e.g. It is important/likely/possible/right that （3）It + 不及物动词 + that 从句 e.g. It seems/happens/appears that （4） It + be + 动词的过去分词 + that从句 e.g. It is said/believed/known/reported that,It is said that Tom is a faithful worker. It is reported that the murderer has been arrested. It is believed that all the students have done their best.,= Tom _ _ _ _ a faithful worker.,is said to be,= The murderer is reported to have been arrested.,= All the students are believed to have done their best,it做形式主语,（5）It + be + 形容词/名词 + (for sb./of sb.) + to do e.g. Its careless of her to make a spelling mistake. Its hard for me to finish it in two days. Its my duty to take care of all the students. （6）It + be + 名词 + doing e.g. Its fun/no use/no good/a waste of time doing sth.,It is important to know your limitations. It is a good idea to have a little notebook at hand. It is not worthwhile quarrelling with him. It is strange that it hasnt been noticed before. It happened that the harvest was had that year. It is still a question how many people will believe you. It is no business of yours where I spend my winter. It was clear enough what he meant.,你知道下列句中 “it”分别指什么吗?,It is important to know your limitations. It is a good idea to have a little notebook at hand. It is not worthwhile quarrelling with him. It is strange that it hasnt been noticed before. It happened that the harvest was bad that year. It is still a question how many people will believe you. It is no business of yours where I spend my winter. It was clear enough what he meant.,Lets practice !,To give up smoking is very difficult. 2. Arguing with a man like him is of no use. 3. Dont speak ill of her. Its wrong. 4. He didnt pass the exam. It is a shame. 5. He had no desire for success. It is quite clear.,It is very difficult to give up smoking.,It is no use arguing with a man like him.,It is wrong (for you) to speak ill of her.,It is a shame that he didnt pass the exam.,It is quite clear that he had no desire for success.,6. Whether he will come or not doesnt matter. 7. When we will celebrate the art festival is still unknown. 8. That he turned out to be thief surprised me a lot. 9. The news has reached every part of the world. Someone says that.,It doesnt matter whether he will come or not.,It is still unknown when we will celebrate the art festival.,It surprised me a lot that he turned out to be thief.,It is said that the news has reached every part of the world.,10. Whether it will do us harm or good remains to be seen. 11. Working for him is fun. 12. Does wasting a little money matter? 13. How many people are to come is still a question. 14. That he is still alive is a wonder.,It remains to be seen whether it will do us harm or good.,It is fun working for him.,Does it matter wasting a little money?,It is still a question how many people are to come.,It is a wonder that he is still alive.,Page 21,It is wonderful that my father has quit smoking.,2. My father has quit smoking. That is wonderful.,It is likely that you could suffer from bad health if you keep smoking.,Rewrite the following sentences, using “Its that”.,3. You could suffer from bad health if you keep smoking. ( It is likely).,Im still fit enough to cycle 20 kilometers in an afternoon. That is amazing.,It is amazing that I am still fit enough to cycle 20 kilometers in an afternoon.,It is known to us that bird flu(禽流感) hit China again.,It is said that Li Yuchun got more than one million yuan for the advertisement.,Bird flu(禽流感) hit China again. That is known to us.,6. Li Yuchun got more than one million yuan for the advertisement. People say that.,4. China produces one third of the worlds cigarettes. It is reported.,It is reported that China produces one third of the worlds cigarettes.,7. Some young people think that they look attractive when they smoke. It seems that,It seems that some young people think they look attractive when they smoke.,Ah! My milk is spilt（溢出）,“I told you not to play with fire!”,该死的电脑游戏！,I love it!,It is no use crying over spilt（溢出的） milk. 覆水难收。,Special notice:,it be vs there be,“是”,“有”,_ someone at the door. I think _ the man to deliver the milk. Lets hurry! _ a long way to go. _ no need to hurry. We still get much time. _ a wonder that he refuses such a good offer.,There is,it is,There is,There is,It is,It is? There is?,5. _ no doubt that he has done something bad. 6. _ no possibility that he will cheat us. 7. _ no good arguing with the unreasonable woman. 8. _ no difference between the two plans.,There is,There is,It is,There is,it做形式宾语,“主语+动词+it+形容词/名词+不定式/动名词/that从句” e.g. I consider it wrong to cheat in an examination. Dont you find it a waste of time watching television too much? I thought it strange that Jack should have had so much money to spend these days.,it的模糊指代,指it用来指代后面从句的情况,因为后面的从句不能充当宾语. e.g. I cant help it if she is always late. I hate it when people talk with their mouth full. I dont like it when a Chinese host keeps serving me the food I dont like. Id appreciate it if you can give me some useful information.,it的其他句型,强调句: “It is (was) + 被强调部分 + that/who + 剩余部分” 注意: who只用于被强调部分是人的时候 注意疑问句语序 注意not 和until,I met with him in the park last night. It was I who/that met with him in the It was him whom/that I met with in the park last night. It was in the park that I met with him last It was last night that I met with him in the park. I did meet with him in the park last night.,It was at ten oclock _ I got home. It was ten oclock _ I got home. It was in the room _ I was born. This is the room _ I was born.,that,where,that,when,Puzzle!,Where were you born? What did you buy in the supermarket? Why are you late for class? When do you want to have the meeting?,Where was it that you were born?,What was it that you bought in the supermarket?,Why is it that you are late for class?,When is it that you want to have the meeting?,将此句改成强调句: She didnt go to bed until her father came back.,It was until her father came back that she didnt go to bed.,Wrong!,It was not until her father came back that she went to bed.,Right!,2. “Its time that sb. did (should do) sth. ” 虚拟语气 = Its time for sb. to do sth. 3. “Its the first/second/third time that ” 注意: 必须用完成时态.,be+时间段+before “过多久才” 4.It be not+时间段+before “没过多久就”,It was two hours before the fireman arrived here. It was not five minutes before the fireman arrived here.,过两个小时消防员才到.,没过五分钟消防员就到了.,Translation,1.帮助我你真是太善良了。 Its kind of you to help me. 2.每天做早锻炼有益于身体健康。 Its good for us to do morning exercises every day. = It does us good to do morning exercises every day. 3.我们认为帮助灾区的人民抗风雪暴是我们的职责。 We feel it our duty to help the people in disaster-stricken areas to fight against the snow storm. 4.三天之后他将要回来。 It will be 3 days before he comes back.,5.在英国懂得英语是非常重要的. It seems very important that you know English in Britain. 6.碰巧我看过这部电影 It happens that I have seen