人教版高中英语选修六unit3grammartheusageofit课件.ppt--（课件中不含音视频）

1、Translate the proverbs(谚语谚语)Its never too late to learn.It never rains but it pours(泼水泼水).It takes three generations to make a gentleman.It is easy to open a shop but hard to keep it always open.十年树木，百年树人。十年树木，百年树人。不鸣则已，一鸣惊人。不鸣则已，一鸣惊人。创业容易守业难。创业容易守业难。活到老，学到老。活到老，学到老。1234高考考点高考考点 代词代词 形式形式主宾主宾 强调句型强调

2、句型 四种时间句型The use of “it”1.It gets dark very early in the winter.2.What will you call it if its a boy?3.I love spring-Its a wonderful time of the year.4.Its less than 100 kilometres from here to Jinan.5.When the factory closes,it will mean 500 people losing their jobs.6.The little animal is a monkey

3、and it lives in Sichuan.7.It has snowed much this year.考点一考点一 用作代词用作代词指时间指时间指婴儿指婴儿(性别不明性别不明)指季节指季节指距离指距离指上文提到的事指上文提到的事指天气指天气指上文提到的动物指上文提到的动物What does“it”refer to?1.To remember this rule is important.2.Chatting on the Internet is a waste of time.3.Whether you come or not doesnt interest me.考点二：用作形式主宾

4、考点二：用作形式主宾It is important to remember this rule.It is a waste of time chatting on the Internet.It doesnt interest me whether you come or not.用用it改写下列句子：改写下列句子：小结：当不定式、动名词、从句等用作句子主语时，小结：当不定式、动名词、从句等用作句子主语时，为保持句子平衡，通常把真正的主语放在句末，而为保持句子平衡，通常把真正的主语放在句末，而在句首使用形式主语在句首使用形式主语it.030201 We find it necessary to

5、 study hard.I think it no use crying.I feel it important that we should drink water every day._动词动词+it+形容词形容词/名词名词 +（for/of sb+）to do +doing sth.+that 从句从句thinkbelieve find feel consider make 1).我认为每天读英语很重要。我认为每天读英语很重要。(think it to do)2).我发现我们多说英语很有帮助。我发现我们多说英语很有帮助。(find itthat)I _English every day.

6、I _we speak English as much as possible.think it important to read find it helpful that1.Nowadays,_(不可能)for kids to resist the temptation of junk food.it is impossible2._(很有可能)that children who eat too much junk food will suffer from obesity and diabetes.3._(没好处)eating too much junk food.4._(人们相信)ju

7、nk food does great harm to our health.5._(人们建议)children should be kept away from junk food.6._(很遗憾)you should feed your kid with junk food every day.7.We _(认为有必要)to keep children away from junk food.It is believed thatIt is possible It is no good It is suggested thatIt is a pity thatthink it necessa

8、ryIMaryin the streetyesterdayIt was I that/who met Mary in the street yesterday.It was Mary that I met in the street yesterday.It was in the street that I met Mary yesterday.It was yesterday that I met Mary in the street.考点三：强调句考点三：强调句结构：结构：It be+被强调部分被强调部分+that/who+句子其他成分句子其他成分I met Mary in the str

9、eet yesterday.1.It 无意义，不可换成无意义，不可换成this/that.2.be 只用单数只用单数 is/was3.被强调的部分不能为谓语动词被强调的部分不能为谓语动词.4.强调的部分是人强调的部分是人 也可用也可用who其它一律用其它一律用that.1.It is time(about time/high time)that sb._ did/should do2.It is the first(second.)time that _was3.It _+时间段时间段.since didis/has been4.It _+时间段时间段.before.beIt has been

10、 5 years since he came here.It is 2 years since he had breakfast.It was 3 days before he went to Beijing.It will be not long before he finishes his job.have/has donehad done考点四：四种时间句型考点四：四种时间句型1234 Fill in the blanks1.It is easier _(say)than to do.2.It is no good _(cheat)in the exam.to saycheating 1

11、.I feel that hard to say goodbye to my friends.2.Our country makes it possible live a better life.Correct the sentences _itto1.It is high time that he _(stop)smoking.2.It was the second time that she _(come)to China.should stop/stopped had comeFill in the blanks 翻译 2.嘲笑别人是不好的。嘲笑别人是不好的。1.学习英语很有意思。学习英

12、语很有意思。It is no good laughing at others.It is interesting to study English.2015年浙江卷12.How would you like _if you were watching your favorite TV program and someone came into the room and just shut it off without asking you?A.them B.one C.those D.it【解析】D D 当你在看你最喜欢的电视节目时，如果有人进来，并且未经允许就把电视关掉，你会怎么想？It在此

13、做形式宾语，指代后面if从句的内容。【知识拓展】“动词+it+when/if+从句”结构中，it作形式宾语，常见的动词有enjoy,hate,love,like,dislike,appreciate等。2017年天津卷11.It was when I got back to my apartment _I first came across my new neighbors.A.who B.where C.which D.that解析：解析：D D 考查强调句式考查强调句式正当我回到公寓的时候，我第一次遇到正当我回到公寓的时候，我第一次遇到我的新邻居。我的新邻居。2017年全国卷2Steam

14、engines were used(use)to pull the carriages and it must have been fairly(fair)unpleasant for the passengers,with all the smoke and noise.However,the railway quickly proved to be a great success and within six months,more than 25,000 people were using _67_every day.解析：解析：it;it;考查代词。根据上文的考查代词。根据上文的“th

15、e railway the railway quickly”quickly”可知，此处用可知，此处用itit代替代替the railyway.the railyway.2015年福建卷Its much more_(help)to say something like,“I think we had better have another look about how we divide up the housework.Maybe there is a better way of dealing with it.”helpful2016年全国卷2Members go on the site a

16、nd register the books they own and would like to share.BookCrossing provides an identification number to stick inside the book.Then the person leaves it in a public place,hoping that the book will have an adventure,traveling far and wide with each new reader who finds it.30.What does the underlined

17、word“it”in Paragraph 2 refer to?A.The book.B.An adventure.C.A public place.D.The identification number.【技巧点拨】【技巧点拨】代词指代题的答案出处一定是在上文，也就是代词指代题的答案出处一定是在上文，也就是代词指代上文出现的名词。代词指代上文出现的名词。2017年全国卷1事实上，我很喜欢唐诗。我认为和你一起学习唐代写的诗是很有意思的。Actually I am very fond of Tang poems._to learn the poems written in the Tang Dy

18、nasty with you.I think it quite interesting假设你是李华，最近你最好的朋友夏洛又烦恼了，假设你是李华，最近你最好的朋友夏洛又烦恼了，因为他上周在厕所抽烟被因为他上周在厕所抽烟被“抖爷抖爷”抓住了，抓住了，这已这已经是第二次了经是第二次了。请你写封信，告诉他。请你写封信，告诉他抽烟违反校抽烟违反校规，而且有害健康规，而且有害健康。是该是该他他下定决心戒烟和好好下定决心戒烟和好好学习的时候了学习的时候了。相信只要他坚持，。相信只要他坚持，过不了多久他过不了多久他就会赶上其他同学的。就会赶上其他同学的。注意：1.词数100左右。2.可适当增加细节，以使行文连

19、贯。3.信的开头和结尾已给出，不计入总词数。尽量使用it结构Dear Xia Luo,Im sorry to hear that you were caught smoking cigarettes in the toilet by Mr.Trembling last week,which accounts for your feeling upset again._ Yours Sincerely,Li HuaA Possible VersionDear Xia Luo,Im sorry to hear that you were caught smoking cigarettes in t

20、he toilet by Mr.Trembling last week,which accounts for your feeling upset again.Im writing to give you some advice,hoping it will be of some help.Actually,I know its the second time that you have been caught smoking on the campus.In my opinion,it does no good smoking at your age to your health,not t

21、o mention it goes against the school rules.Whats more,the final exam approaching,its high time that you should make up your mind to quit smoking as well as to study hard.And Im firmly convinced that as long as you keep on studying,it wont be long for you to catch up with other students.I hope you wi

22、ll refresh yourself soon.Looking forward to you early reply.Yours Sincerely,Li HuaPart1 基基 本本 用用 法法Part2 形形 式式 主主 宾宾Part3 强强 调调 句句 型型Part4固定固定句句 型型 Summary Complete the sentences with the correct form.1.It is _(importance)to write it down.2.It is _(report)that it is colder tomorrow.3.It is no good _

23、(laugh)at others.4.I find it hard _(learn)English well.Sentences correction 5.I feel that hard to say goodbye to my friends.6.Our country makes it possible live a better life.7.I dont think possible to reach a star 8.It is nice for you to help me.Practice（pair work）importantreportedlaughing to learn

24、_ittoit_ofI like it that you came.1We really appreciate it if you can help us.2I dislike it when people talk with their mouths full.3 S+动词动词+it+that /if /when clause【注意：能用于此结构的动词不多，常见的有注意：能用于此结构的动词不多，常见的有 enjoy,hate,love,like,dislike,appreciate,prefer 等；等；】“it”used as object2022-11-71.It is illegal（

25、for a teenager）to drive a car without a license.2.It is necessary for you to give him a letter.在句1和句2中 it 的作用是_,真正主是_。形式主语形式主语不定式短语不定式短语小结：小结：It+be+adj.+（for sb.）to do sth.此处此处adj.通常为通常为_的形容词：的形容词：easy，difficult，hard，necessary，impossible，likely，right，wrong，important，obvious，useful，useless，dangerous2

26、022-11-7描述事件1.Its kind of you to help me with the problem.2.Its foolish of you to quit your job now.小结：小结：It+be+adj.+of sb.to do sth此处此处adj.通常为描述通常为描述_的形容词：的形容词：kind，unkind，nice，rude，cruel，considerate，careless，foolish，stupid，wise，crazy.人1.It is no use arguing with him.2.It is a waste of time playing

27、 computer games.小结：小结：It is+no use/no good/a waste of time.+doing sth.翻译：翻译：每天熬夜是不好的每天熬夜是不好的。It is no good staying up every day.It is obvious that the boy was to blame.It is amazing that at my age I still look like a student!小结：小结：It is+adj.+that从句从句翻译：翻译：It is obvious that he has known the bad news.很明显他已经知道了那个坏消息。很明显他已经知道了那个坏消息。