资源简介

(共19张PPT)
Unit 4
Breaking boundaries
Using language
But it vital not to take any chances.
c. It is important to remember that Ebola doesn’t respect national boundaries
Read and Think
a. But it vital not to take any chances.
b. But not to take any chances is vital
c. It is important to remember that Ebola doesn’t respect national boundaries
d. To remember that Ebola doesn’t respect national boundaries is important
Read and Think
It 作形式主语
位置
含义
翻译
指代内容
作用
句首
避免句子头重脚轻
真正的主语替换it
无含义
to do sth
ving
that从句
1. I felt it was my duty as a doctor to go there and offer my help.
2. It is so inspiring to have colleagues like Wilton, Maisy, Alfonso, not to mention all the others I have worked with.
3. In a world still facing so many problems, it is absolutely essential for us all to collaborate to create a global community with a shared future of peace and prosperity.
Look for more sentences with this structure in the reading passage
It 指代 to do sth
It be + adj. + to do sth
It vital not to take any chances.
It is important to remember that Ebola doesn’t respect national boundaries
It be + n. + to do sth
It was my duty as a doctor to go there and offer help.
It is my honor to deliver a speech here.
It 指代 to do sth
it + 及物动词 + 宾语 + 不定式
It cost 150 yuan to buy the dress.
It takes me 30 minutes to get to school every day
It 指代 doing sth
It be + n. + doing sth
It is great fun sailing a boat.
It is no use/a waste of time crying for spilt milk.
It 指代 that从句
it + be + adj. + 从句
It is natural that she knows everything about it.
It was surprising that she passed the difficult exam.
clear, possible, likely, natural, certain, fortunate, necessary, strange, uncertain, obvious, important
It 指代 that从句
it + be + adj. + 从句
It is natural that she knows everything about it.
It was surprising that she passed the difficult exam.
clear, possible, likely, natural, certain, fortunate, necessary, strange, uncertain, obvious, important
It 指代 that从句
it + be + n. + 从句
It is a pity that you can't come.
It is common knowledge that the earth turns around the sun.
a pity, a shame, an honour, a good idea, a miracle, a fact, common knowledge, a surprise…
It 指代 that从句
it + 及物动词+ 从句
It happened/chanced that I was in the countryside at the time.
It seems that it is going to rain soon.
happen, seem, appear, chance, occur, matter…
It 指代 that从句
It +be +过去分词+从句
It is reported that the fire caused a great loss and hundreds of people died.
It is said that she lived to be over 100.
found, believed, reported, thought, noted, proved, known, decided, suggested, required
Translate the following sentences
1. It is strange that no one wants to go there.
2. It is hard to say how much money is needed.
3. It is common knowledge that earth turns around the sun.
4. It is wrong to do it in this way.
5. It needed hard work to finish the job.
6. It is impossible for him to go alone.
7. It is kind of you to say so.
8. It is no use explaining it to him.
Rewrite the following sentences
To say goodbye is difficult for me.
It is difficult for me to say goodbye
2. Playing too many computer games is a waste of time.
It is a waste of time playing too many computer games
3.That he is clever is obvious.
It is obvious that he is clever.
It is no longer quite so difficult for women and minorities to get roles in American film and television.
It is now a more realistic hope for minority actors to become a leading actor in Hollywood.
It is more common than before for women to write and direct Hollywood films.
Rewrite the underlined parts using it as an empty subject.
4. It is seen as acceptable by film studios to cast white actors as Asian characters.
Beijing today is multicultural. It is not a surprising thing for students to see different skin colours in the same class. It is possible for people to hear many different languages and dialects. It is easy for people to find products from all over the world. It is not difficult for foreigners to settle down and find a job. It is a common thing for people from different countries to work in the same company.
Describe the city using the information provided and it as an empty subject.

展开更多......

收起↑