NSEFC2B Unit 20 全单元教案5(人教版高二英语下册教案教学设计)
The Use of “It”
Teaching Aims:
Revise and sum up the use of “it”.
Teaching Important Point:
Master the use of “it”,especially the emphatic use and the use as a preparatory subject or a preparatory object.
Teaching Difficult Point:
How to master the use of “it”correctly.
Teaching Methods:
ng a little quiz to revise the common use of “it”.
ctive method to go through some important sentence patterns with “it”.
tice to consolidate the use of “it”.
Teaching Aids:
1.a projector and some slides
blackboard
Teaching Procedures:
Step Ⅰ Greetings
Greet the whole class as usual.
Step Ⅱ Test
T:In the last two periods,we revised the use of “it” let’s have a test.(Teacher shows the following on the screen.)
Tell what the word “it” refers to and its functions:
’s difficult to remember all their names.
’s very quiet in the cafe.
rained for three days.
made it clear that he didn’t want to speak to me.
was nice seeing you.
was on Tuesday that Mrs Smith came.
’s three miles to the nearest garage.
8.A tall man stood up and shook was Captain Lawie.
9.I hear you bought a new you show it to me?
was five o’clock when we got back home yesterday.
T:Now I’ll give you three minutes to write down your answers on a piece of let’s check the answers together.
(Ss can exchange their papers for comment and correction.)
Suggested answers:
1.a preparatory subject for an infinitive
r to the present situation
r to weather
4.a preparatory object
5.a preparatory subject for an “-ing” form
asize the adverbial of time
r to distance
r to a person when we are identifying somebody(saying who somebody is)
r to the word “bike” mentioned earlier
r to time
Step Ⅲ Revision and Induction
T:Well are already familiar with the common use of “it”,let’s revise some important sentence ,let’s do an at the screen.
Complete the sentences,paying attention to the structures of them and the use of “it”.
1.______(据报道)that dozens of children died in the accident.
2.______(真遗憾)that he can’t swim at his age.
3.______(很可能)that they will beat us tonight.
4.______（看来）that he enjoys pop songs very much.
5.______（仍然是一个问题）when we shall have our sports meet.
6.______(还不确定)whether he can attend this conference or not.
7.______（不要紧/没关系）whether we go together or separately.
’s up to you ______（决定是否接受这项工作）。
is important ______（我们学英语）.
is kind ______（你们帮助我）.
took me five days ______（解决这个问题）.
’s no use ______（与她争论）.
T:Now please work in pairs to do it and you can write down the answers on a piece of I’ll check your answers.(If necessary,teacher may give some explanations.)
Suggested answers:
was reported…
［It be+p.p.(known,thought,told,believed,hoped…)+that-clause］
is a pity…
［It be+n.(an honour,a good thing,a fact,a surprise…)+that-clause］
is likely…
［It be+adj.(wonderful,true,important,surprising,clear…)+that-clause］
seems…
［It seems/appears/happens+that-clause］
is still a question…
［It be+n.+wh-/how-clause］
is uncertain…
［It be+adj.(not decided,uncertain)+wh-/how-clause］
doesn’t matter…
［It doesn’t matter(It’s no wonder;It doesn’t make too much difference…)+wh-/how-clause］
8.…to decide whether to take the job or not
［It’s up to do sth.］
9.…for us to learn English
［It be+adj.(difficult,easy,hard,important…)for do sth.］
10.…of you to help me
［It be+adj.(kind,nice,brave,clever,stupid…)of do sth.］
11.…to solve the problem.
［It takes(took)sb.…to do sth.］
12.…arguing with her
［It’s no use(no good,useless)doing sth.］
(Teacher writes the structures on the Bb one by one while checking the answers.)
T:Look at the blackboard all these structures,“it”is used as preparatory you tell me the real subjects in them?
Ss:nitives,-ing forms and clauses.
T:Quite should remember and often use these des,“it” can be used in some other structures to express “time”’s do another exercise on the screen.
Complete the sentences
1.______(已经有三年了)since his father passed away.
2.______(不久)the police arrived.
3.______(已经八点了)when we got home.
4.______（该……的时候了）she wrote a letter to her boyfriend.
5.______(这是第一次)that these Europeans have visited the Great Wall.
6.______（我们该）to go to school.
(Ss prepare teacher checks the answers and sums up the structures with the whole the same time,teacher writes the structures on the blackboard.)
Suggested answers:
is/has been three years…
［It be+some time+since…］
was not long before…
［It be(not)+long(days,weeks,months…)before…］
was already eight o’clock…
［It be+definite time+when…］
is(high)time(that)…
［It be(high)time+(that)…］
is the first time…
［It be+the first(second,third…)time+that-clause］
is time for us…
［It be time for do sth.］
T:Well,we also know that “it”can be used as an preparatory ’s do an at the screen.
Rewrite the following sentences,using“it”as a preparatory object.
make others laugh is difficult.(I found…)
help him is my duty.(I consider…)
we should keep calm is important.(I think…)
he objected to the proposal is clear.(I made…)
T:Now I want some of you to rewrite the sentences one by Hao,the first one.
S1:I found it difficult to make others laugh.
T:The second one,Wang Hua.
S2:I consider it my duty to help him.
T:…
S3:I think it important that we should keep calm.
S4:I made it clear that he objected to the proposal.
T:Well these sentences,we know that the commonest structure with “it” as a preparatory object is “subject+vt.+it+adj./n.+to do sth./ verbs like “find,feel,think，consider,make”are often used in this you clear about it?
Ss:Yes.
(Bb:subject+vt.+it+adj./n.+to do sth./that-clause)
T:Well,besides the use as a preparatory subject or object,we all know “it” can be used to give special emphasis to almost any part of a sentence except the you tell me the emphatic structure?
Ss: is “It be+the emphasized part+who/that…”.
(Teacher writes the structure on the blackboard.)
T:Quite let’s look at the screen and do another exercise.(Teacher shows the following on the screen.)
Correct mistakes if there are any.
is he that I want to see.
is I who is leaving for London next week.
was on Tuesday when Mrs Smith came.
T:Who’d like to do the first one?Any volunteer?
S1:Let me try,“him” should be used instead of “he”,because the emphasized part is an object.
T:Quite second one?
S2:“is” after “who” should be replaced by “am” to agree with “I” in person and number.
T:…
S3:“when” should be replaced by “that” to give special emphasis to the adverbial of time.
T:You are all ’ve mastered this sentence structure very I will show you some other sentences.(Teacher shows them on the screen.)
is my turn.
’s call it a day.
the teacher sees you doing that,you will catch it.
ahead,we’ll make it in the end.
5.-I will study hard in the future.
-That’s it.
it easy.
T:Now please look at the sentences on the screen.I’d like you to translate them into volunteer?
S1:轮到我了。
S2:今天就到这里吧。
S3：如果老师看到你这么做，你就会挨批评。
S4：继续干吧，我们最终会成功的。
S5:-今后我会努力学习的。
-这就对了。
S6：别着急。
T：Very can see in these sentences,“it” has no special that clear?
Ss:Yes.
T:Well,now let’s do more exercises to further master the use of “it”.
Step Ⅳ Practice
(Teacher shows the following on the screen.)
Choose the best answers:
______necessary to complete the design before National Day?
heard a terrible noise,______brought her heart into her mouth.
h
’s mother kept telling him that he should work harder,but ______didn’t help.
h
4.______is a fact that English is being accepted as an international language.
e
5.I hope there are enough glasses for each guest to have______?
e
6.-Why don’t you take a little break?
-Didn’t we just have ______.
7.I don’t think ______ possible to master a foreign language without much memory work.
8.-He was nearly drowned once.
-When was ______?
-______was in 1998 when he was in middle school.
;It ;This ;It ;This
weather turned out to be very good,______was more than we had expected.
h
______ that I saw last night at the concert?
you you yourself
(Teacher gives the Ss some minutes to prepare,then checks the answers with the whole class.)
Suggested answers:
1~5 CBDDC 6~10 CDABA
Step Ⅴ Summary and Homework
T:In this class,we revised the use of “it” by doing some exercises,especially the use as a preparatory subject or object and the emphatic use of “it”r class,you should practise more and try to use the sentence structures on the you clear about it?
Ss:Yes.
T:So much for .
Ss:Bye.
Step Ⅵ The Design of the Writing on theBlackboard
Unit 20 Archaeology
The Fifth Period
The Use of “it”
Ⅰaratory Subject
be+p.p./n./adj.+that-clause
seems/appears/happens+that-clause
be+n./adj.+wh-/how-clause
doesn’t matter(It’s no wonder…)+wh-/how-clause
’s up to do sth.
be+adj.+for/of do sth.
takes sb.…to do sth.
’s no use doing…
Ⅱctures to express “time”
be+…+since…
be(not)+long(days,weeks…)+before…
be+…when…
be (high)time(that)…
be the first(second…)time+that-clause
be time for do sth.
Ⅲaratory Object
Subject+vt.+it+adj.+to do sth./that-clause
Ⅳ Emphatic Use
It be+…+who/that…
Step Ⅶ Record after Teaching
