1、第九周避免头重脚轻的it句式it除了用作人称代词外，还常用作形式主语或形式宾语，有时也可以用在一些固定句型中。灵活地运用it句式可使文章更高级，结构更紧凑。一、it作形式主语的常用句型在英语中，为了避免头重脚轻，经常运用it作形式主语，而把真正的主语后置，作真正主语的常为不定式或从句，有时也可用动名词。1It takes (sb.) some time/energy/effort . to do sth.It took them about half an hour to work out the difficult maths problem.他们花了大约半个小时的时间才解出这道数学难题。2
2、It is/was形容词(of/for sb.) to do sth.I badly need to improve my oral English, so it is great for me to find a native speaker to learn from.(2015四川高考满分作文)我急需提高我的英语口语，因此对我来说找到一个可以向他学习的当地人真是太好了。3It is/was形容词that .It is true that a smart phone plays an important role in our daily life.(2014重庆高考满分作文)确实，智能手
3、机在我们日常生活中扮演重要的角色。4It is/was名词(of/for sb.) to do sth.It is everyones responsibility to obey the rules to keep the society in order and peoples lives safe.(2015江苏高考满分作文)遵守规则让社会发展平稳、人民生活安定是每个人的责任。5It is/was名词that .It is a pity that the industrial cities built in the nineteenth century dont attract visi
4、tors.很遗憾，这些建于十九世纪的工业城市对游客并没有吸引力。6It is/was过去分词that .Its known to all that “Where there is a will, there is a way”(2014四川高考满分作文)众所周知，“有志者事竟成”。7It seems/appears/happensthat .It happened that he was a doctor, so the sick man was saved.碰巧他是个医生，因此病人得救了。8It hits/strikes/occurs to sb. that .Did it ever occ
5、ur to you that you would end up in prison if you continued behaving like that?你就没想到如果继续这样做最终会被关进监狱吗？9It is/was (about/high) time that .Its high time that we students should work/worked harder at our lessons as the College Entrance Examination is approaching.随着高考的临近，该是我们学生更加努力学习的时候了。10It mattersthat/
6、wh/if/whether从句It doesnt matter whether it is expensive or not.它是否昂贵并不重要。11It is/was ones turn to do sth.轮到某人做某事It is your turn to pick up the kids from school this afternoon.今天下午轮到你去学校接孩子了。12It is/was time for sb. to do sth.某人该做某事了I know it is time for me to set out to do my homework, but I just ca
7、nt resist playing computer games.我知道是开始做作业的时候了，但我就是忍不住要玩电脑游戏。13It is/was no good/use/useless doing sth.做某事没有好处/用处It is no use trying to solve the problem by force. Peace talks are the only solution.试图用武力解决问题是没用的，和谈才是唯一的办法。14It is/was no surprise/wonder that .不足为怪/难怪The Internet keeps us informed of
8、the latest news and also provides entertainment in the house. It is no wonder that its so popular worldwide.网络使我们在家就能了解最新的新闻，而且也为我们提供娱乐，难怪它在全世界那么受欢迎。15It goes without saying that . 不用说Therefore, it goes without saying that it is this motto that brings me motivation and encouragement.(2014山东高考满分作文)因此
9、，不用说是这句箴言给我带来了动力和鼓励。即时演练补全句子1非常荣幸我能够站在这里谈一些对于友谊的感悟。Its_my_honour_to_stand here and say something about friendship.2显而易见，iPad对我们的学习有很大帮助，尤其是对我们的英语听力。It_is_obvious_that iPad is of great help to our study, especially to our English listening.3不用说，现代科技给我们的生活带来了方便和舒适。It_goes_without_saying_that modern te
10、chnology brings us convenience and comfort in life.4据报道，这次事故源于司机的粗心驾驶。It_was_reported_that the accident resulted from the drivers careless driving. 5众所周知，学好英语对我们大家都大有益处。It_is_universally_acknowledged/It_is_well_known_that learning English well will be of great benefit to us all.二、it作形式宾语及其他的常用句型it除了
11、可以作形式主语外，还可作形式宾语，作形式宾语和在一些常见句型中的应用都可以提升文章的档次，使文章更高级。1动词it形容词/名词to do/doing/that从句(常见的动词有：find, feel, think, consider, make, believe, guess, suppose, assume)She found it easy to retell the story when she looked at the pictures.她发现看着图画复述这个故事很容易。In a word, wild release makes it much more convenient for
12、 us to choose what books we like.(2015重庆高考满分作文)总之，自由分享使得我们选择所喜欢的书籍方便得多。2Id appreciate it if .如果我将感激不尽Id appreciate it if you dont tell anybody about this.这件事你不说出去的话，我会感激不尽。3Sb. would prefer it if . 如果某人将会非常喜欢Mary would prefer it if you attend the party on the summer vacation.如果暑假你来参加那个聚会，玛丽将会非常喜欢。4S
13、b. likes/loves/hates/dislikes it when . 某人喜欢/不喜欢I dislike it when a Chinese host keeps serving me the food I dont like.我不喜欢中国主人不停地给我夹我不喜欢的菜。5When it comes to . 当谈到Hes a bit of an expert when it comes to computers.他在计算机方面很在行。6It is the first/second . time that . 这是第一/二次It is the first time that he ha
14、s won the Nobel Prize for Literature.这是他第一次获得诺贝尔文学奖。7It is/has been一段时间since .自从多长时间了It is already three years since he worked in this company, and now he cant still find a job.自从他离开这家公司以来已有三年了，现在还没有找到一份工作。8Itbe一段时间before .多久之后就/才Dont be upset. It will be half a year before we meet again.不要伤心了，半年之后我
15、们还会再见面。 即时演练补全句子1我认为我们每天喝大量的开水是必要的。I think_it_necessary_that we take plenty of boiled water every day.2作为中学生，我们应该把对食物浪费说“不”当成一项规定。As middle school students, we should make_it_a_rule_to_say “No” to food waste.3当谈及选择时，我宁愿去旅游。When_it_comes_to a choice, I prefer to go traveling.4我们从一中毕业已经十年了。It_is/has_b
16、een_ten_years_since we graduated from the No. 1 High School.综合演练提能.用it句式补全句子1你穿什么并不重要，只要你看上去干净整洁就行。It_doesnt_matter_what you wear, so long as you look neat and tidy.2孩子们有足够的睡眠是很有必要的。It_is_necessary_that children (should) have enough sleep.3如果你能教我如何用电脑，我将不胜感激。Id_appreciate_it_if you could teach me ho
17、w to use the computer.4当谈及我所在的班级时，我必须说我不能忍受一些同学的自私。When_it_comes_to my class, I have to say that I cant stand some classmates selfishness.(2015广东高考满分作文)5不久之后，通往停车场有两个入口，使得现在我们进去更加容易。Soon after, there are two entrances to the parking places, making_it_easier_for_us_to_enter it now.(2014北京高考满分作文).请按以下
18、内容要点写一篇有关Lucy的英语短文，尽可能多地使用it句式。1露西没有通过英语口语考试，这是很令人惊奇的，而且她不相信是真的。但是真的很遗憾，她竟然没有通过考试。2为什么？这是因为她的懒惰。3这时她意识到了勤奋多练的重要性，此后更加努力学习。4现在，她发现练习英语口语是非常有趣的，而且她非常享受说一口流利的英语。参考范文：It was very surprising that Lucy didnt pass her oral English test, and she couldnt believe it. However, it was really a pity that she failed in the test. Why? It was because of her laziness. Then she realized that it was important for her to work hard and practice more, so she has been working harder since then. Now she finds it interesting to practice speaking English and she enjoys it when she can speak fluent English.
