It作形式主语习题专练
一、完成句子：
1._____________________________nobody believed Kevin.
似乎没有一个人相信凯文说的话。
2.It appears that your father________________________you.
你爸爸似乎并不了解你。
3.It_____________that Jim doesn’t like me.
看样子吉姆不太喜欢我。
__________________________that light travels faster than sound. 众所周知光比声音传播得快。
__________is a__________that his father loses this good job.
他爸爸丢失这份好工作很可惜。
It is kind__________you_____________so.
你能这样做真好。
结合实际情况，根据问句写出答句：
A:How was the weather yesterday?
B:____________________________.
A:What is the time now? B:_______________________.
A:What’s the date today? B:___________________________.
A:What’s the season now? B:________________________.
A:How far is it from your home to the nearest supermarket?
B:_____________________________________.
用所给词的适当形式填空：
It takes us about half an hour_____________(finish)English homework.
It is often____________(snow)in winter.
I don’t think it’s a good idea_____________(speak)loudly in public.
Jim,it’s____________(you)duty to study hard,so try your best.
It’s time for me_____________(make)zongzi for everyone.
It___________(seem）that he didn’t pass the maths test.
参考答案：
一、完成句子：
1.It seemed/appeared that
2.doesn’t understand
3.seems/appears
4.It’s known
5.It,pity
6.of,to do
二、略
三、用所给词的适当形式填空：
1.to finish
2.snowy
3.to speak
4.your
5.to make
6.seemed
初中沪教版九年级下册英语导学案
学习内容：Module 2: Environmental problems
Unit 4:Natural disasters(Grammar)
学习目标：1.掌握it作形式主语的用法。
2.能够在具体语境中使用it作形式主语。
3.主动探究，善于发现语言的规律并能运用规律举一反三。
内容
方法
生成Conclusion & Notes
独
学
5’
Using it as the empty subject
1.Read the information on P55-57,and then try to finish the task on the right.
2.Try to finish the exercises on P55-57 by using the knowledge we have learned on the right.
通过例句来理解it作形式主语的用法。
it作形式主语：
我们经常用it来指时间、季节、天气、距离和温度。
判断以下句子中it指什么：
It is 20 degrees today.
( )
2.It is 500 meters from my home to school.( )
3.It was cloudy and windy yesterday.( )
4.It is spring now.( )
5.It is 7:30 pm.( )
6.It is 3 March,2019.( )
7.It rained all night.( )
8.It is Sunday today.( )
我们也用it做形式主语来代替__________________。
It’s interesting to play basketball.=To play basketball is interesting.
合学
10’
对学
★Pair work
用红笔对生成部分进行等级评定。
★Group work
将任务在组内进行预展，为大展做准备。
把握时间，进行高效预展。
根据对方的完成情况给出等级评价。
Level：_______（☆）
群学
展 示
20’
Case One：
展示生成部分的答案，并举例练习。
Case Two：
展示P56 B的答案。
Case Three：
展示P57 C的答案。
Case Four：
展示P57 D的答案。
展示时,要求必须与台下同学进行互动。
常考句型：
It is+adj. for/of sb. to do sth.
It takes sb. some time to do sth.
It is a good idea to do sth.
It is a pleasure to do sth.
It’s one’s turn/duty to do sth.
It’s time for sb. to do sth.
it做形式主语代替后面的从句：
It seems/seemed that…
It appears/appeared that…
It is said/reported/known/believed that…
当堂反馈
10’
用所给词的适当形式填空：
It’s very kind of you________________(take)good care of me.
It takes me 15 minutes_______________(go)to school every day.
It’s a pleasure_________________(drive)a genius like you.
It’s necessary for us_____________(talk)to our parents when we have problems.
It__________(seem)that nobody liked him.
_________________(learn)a new language is not difficult for me.
=_________________________________________________________________.
完成句子：
1._________________does________________to fly from Guangzhou to Sydney?
从广州飞到悉尼需要多长时间？
2._______________________________to make a speech in public.
当众演讲对他来说有困难。
3.____________impolite_______________at others for a long time.
长时间盯着别人看是很不礼貌的。
4.__________is only a___________________walk from my home to the school. 从我家到学校只有10分钟的行程。
5.__________is hot in summer and_________is cold in winter.夏天热冬天冷。
教师评价： 学校评价：
课件20张PPT。Unit
4Oxford EnglishModule 2 Environmental problemsPeriod 5 Grammar
（沪教版九下）
Natural disastersA Answer these questions using it as the subject.Say hello to Mr “It”:Mr “It”………1Grammar Using it as the empty subjectWe can use it as the empty subject like this:It is one o’clock.It is summer now. It rained all day.It is only a five-minute walk from my home to the school. The timeThe seasonThe weatherThe distanceIt is hot in this room. The temperaturetimeseasonweatherB Put the words in the correct order to make meaningful sentences.It is time for supper now.It is autumn in Australia now.It is about five kilometres to the park.It was windy yesterday.2We can also use it as the empty subject of a sentence to replace a to-infinitive.1 To?learn?English well?is?not?easy for him.
It is not easy for him to learn English well.
2 To study two languages is very hard.
It is very hard to study two languages.
3 To find out the truth is important.
It is important to find out the truth.Rewrite the sentences below using it as the empty subject.3We can also use it as the empty subject in the following sentence pattern: It seems/appears that …It seems that it is going to rain.
It appears that his mother knows the truth.Show and improvement 展示提升Case 1:
Show Exercises 1.2 in Part C on P57.
Case 2:
Show Exercises 3.4 in Part C on P57.
（Tip：Use it and to do ,add some words if necessary.）
Case 3:
Show Exercises 1.2 in Part D on P57.
Case 4:
Show Exercise 3 in Part D on P57.
（Tip：Put the words in the correct order.）
C Write a sentence using it and a to-infinitive under each picture below.It is important to stay calm when there is a fire.It is dangerous to start a fire in the forest.C Write a sentence using it and a to-infinitive under each picture below.It is a good idea to take an umbrella.It is nice to have a picnic in the park.D Put the words in brackets in the correct order to complete the conversations.It seems that a typhoon is coming.It appears that the flight has been cancelled.It seems that something bad has happened to her.Tell something about Mr “It”:Mr “It”it作形式主语，指代time，season，weather，distance，temperature。it作形式主语，代替动词不定式to do。it作形式主语，代替后面的从句。Mr “It”：
1.it作形式主语，可指代time，season，weather，distance和temperature。it无实际意义，但不可以省略。
Mr “It”： 2.it做形式主语，代替动词不定式to do，
常构成以下句式：
It is+adj. for sb. to do sth. 对某人来说做某事……。
It is+adj. of sb. to do sth. 某人能做某事……。
It takes sb. some time to do sth.做某事花费某人一段时间
It is a good idea to do sth. 做某事是个好主意。
It is a pleasure to do sth.
做某事是件乐事/很荣幸做某事。
It’s one's turn to do sth. 轮到某人做某事。
It ’s one's duty to do sth. 做某事是某人的职责/义务。
It’s time for sb. to do sth. 到某人做某事的时间了。
Mr “It”： 3.it做形式主语，代替后面的从句。
It seems/seemed that… 似乎/好像……
It appears/appeared that…似乎/好像……
It is said that… 据说……
It is reported that… 据报道……
It is known that… 众所周知……
It is believed that… 人们相信/认为……
It is a pity that… 很可惜/遗憾……HHomework Ⅰ.用it作形式主语，改写下列句子。
1.To get enough sleep is very important for all of us.
2.To learn a foreign language is very useful for a scientist.
3.To swim in the river alone is quite dangerous.
4.To read in the sun is bad for us.
5.To guess where they are is difficult for me.
Ⅱ .完成下列汉译英的练习。
1.他来到饭店的时候，已经是12点50分了。
2.保护环境，人人有责。
3.修车花了我一百美元。
4.看样子她得了重感冒。
A saying
It is never too old to learn.
Try your best to achieve your dreams.
Never give up.
Come on,fighting,fighting,fighting!
