盛年不重来，一日难再晨。
及时宜自勉，岁月不待人。
2018届作文训练一 it在写作中的运用一、it形式主语1.It is / was +adj. [necessary / (im)possible / important… nice/kind…]+ ( for/ofsb. ) to do sth.It is / was +n.+ ( for sb. ) to do sth.1)It is quite necessary for a qualified teacher to have good manners and extensive(广博的) knowledge.2)It is hard to imagine what China would be like without the Changjiang River, thelongest and the most important river in China.3)It is kind of you to help me with the problem.4)In my opinion, it is not wise for small children to do such things, for they aretoo young to take care of themselves.2. It + 系动词+adj.[ necessary / possible / important/ (un)likely/ certain/ clear/true… ]+ clauseIt +is /was +n.[ one’s hope/ one’s duty/ an honour /a pity/a shame/no wonder…]+ that clause5)It is natural that you don’t feel at home in your new class.6)It is very common that we Chinese students are overburdened with lessons andhomework.7)It is apparent that knowledge plays an important role in our life.8)It is clear that we are causing a great deal of damage to the natural environment.9)It’s a pity that you missed that concert.10)很明显你的哥哥对这辆价格昂贵的车很感兴趣。
11)我和朋友李华很有可能会去欧洲旅行。
12)他很有可能让你失望。
（likely; let sb. down）13)你不能去国外深造真是遗憾。
14)她是一个热心肠的人，因此她经常帮助那些处于困境的人们就不足以为怪了。
3. It +is /was + useless/ no use/ no good/ not any good/pleasure/fun/a waste oftime ... + doing sth.15)It is pleasant meeting you in London that day. 16)事实上，你抱怨得不到理想的工作机会是没有用的。
17)独自一人看足球赛无乐趣可言。
18)跟他争论是浪费时间；他太固执了。
19)问她没有用，她什么都不知道。
4. It is / was +过分（ known/ said/ reported/...） + that-clauseIt is / was + 过分（suggested/advised/required/demanded... ）+ that-clause(虚拟) 20)It’s universally acknowledged that listening and reading as much as possiblecontribute to your English.21)It is generally accepted that smoking is harmful to our health.22)It is suggested that they should begin with the third question.23)据说这个男孩在外语方面很有天赋。
24)据报道，一千多人已死于这种疾病。
25)众所周知，哪儿有污染，哪儿就有伤害。
26)人们相信这个计划一旦实施，我们的学校将变得越来越美。
27)有人建议我们下周开会。
5. It takes+（sb）一段时间/energy/effort. ... to do sth.28)It takes us one year to travel around the world.29)为了说一口流利的英语，我花了多年时间刻苦练习。
6. It seems/seemed/looks/looked +as if/though…30)看来天气会变差。
31)这么多年你似乎没怎么变。
7. It happens/ seems/ app ears/ looks …+ that-clause32)It appears that she is an experienced teacher.33)It seems that no one really knows where he has gone.34)碰巧John 是唯一的证人。
35)看来，他很害怕。
8. It hits/strikes/occurs to sb. that clause.36)It occurred to me that I knew how to solve that problem.37)他突然想起他把钥匙遗落到办公室了。
9.It goes without saying that clause.(不用说…)38)It goes without saying that we cannot ne young forever.10. It is sb’s turn (to do sth.)（轮到某人做某事了。
）11.其它39)It doesn’t matter very much whether they will come or not.40)It doesn’t make any difference to him whether it is poorly paid.41)It pays to be honest.42)由你来决定该怎么办。
二、it形式宾语1. sb.+ make/ think/ believe/ consider / feel …+ it + adj./n. +(for sb.) to dosth. / clause/doing sth43)I don’t think it advisable that Tim be assigned to the job since he has noexperience.44)Personally, I think it a good idea for us senior 3 students to have daily exercise.45)Very few students think it no use going to college.46)我发现很难向他解释发生了什么事。
47)就个人而言，我认为整个国家的所有学生学习京剧不是个好主意。
48)我们规定每天练习一个小时的英语口语。
（oral English）49)他认为再讨论这个问题没有用了。
50)你觉得住在这里无聊吗？（dull）2. sb.+ like/ hate/ dislike/ appreciate/ depend on/ see to(确保)… + it + clause(that / if/whether/when…)51)I like it in the autumn when the weather is clear and bright.52)I will appreciate it very much if you offer me the opportunity.53)See to it that everything is ready by 11 o’clock.54)I owe it to you that I finished my work in time.55)I’m for it that you should take their advice.56)我不喜欢中国主人不停地给我夹我不喜欢的菜。
57)如果你尽快按新地址给我邮寄新书我将感激不尽。
58)请把收音机声音关小一点，谢谢。
59)如果你能开车送我进城，我会感激不尽。
60)如果你愿意教我如何用这台电脑，我将不胜感激。
61)我无法忍受别人说话的时候满嘴食物。
（stand）三、it指时间1. It is time for sth./for sb. to do sth. /It is time ( about time ，high time )that clause62)该告诉他实情了。
63)Mike 上学的时间到了。
64)我想她该拿定注意了。
（make up one’s mind）65)现在是政府必须采取措施防止污染的时候了。
2. It is the first ( second ... ) time that+sb.+ have doneIt was the first ( second ... ) time that+sb.+had done66)It is the first time that they have come to visit us since we moved to this city.67)It was the second time that he had been out with her alone.68)这时我第一次出国。
（be abroad）69)那时他第三次进入这所房子。
70)我很紧张，因为这是我第一次受邀做演讲。
4.It is/has been+ 一段时间 + since +sb.+did ... (瞬间VS延续动词)71)It is years since I stopped smoking.72)It is four years since my sister lived in Beijing.5.It +will be/was +时间点+ when +sb.+ do/did…73)他昨天下午5点回来的。