高一英语下册 Unit19 Modern agriculture(第五课时)教案 大纲人教版第一册

高一英语下册 Unit19 Modern agriculture(第五课时)教案
大纲人教版第一册
The use of it
Teaching Aims:
1.Review the different usages of “it”.
2.Get the students to remember some useful sentence patterns.
3.Get the students to do more exercises so that they can master the grammar item.
Teaching Important Points:
Master the different uses of “it”,esp,the emphatic use and the use as a preparatory subject or a preparatory object.
Teaching Difficult Point:
How to master and use “it ”correctly.
Teaching Methods:
1.Review method to revise the common use of “it”.
2.Inductive method to go through some sentence patterns with “it”.
3.Practice to consolidate the use of “it”.
Teaching Aids:
1.a projector and some slides
2.a computer for multimedia use
Teaching Procedures:
step Ⅰ.Greetings and Revision
(Teacher greets the whole class as usual and shows the screen.)
T:So far we've learned several uses of “it”.Now please look at the screen.Discuss the sentences with your partner and tell what the word “it”in each sentence refers to and its function.Write your answers on a piece of paper and later I'll ask some students to say the answers.
(After a few minutes.)
T:Are you ready?
Ss:Yes.
T:Who will give us the answers?One student,one sentence.V olunteers?
S A:“It”is used as a formal subject in the first sentence.Its real subject is the infinitive“to remember all their names.”
S B：2.“It”refers to present situation.
S C:3.“It”refers to “weather”.
S D:4.“It”is used as a formal object.
S E:5.“It”is used as a formal subject.
S F:6.This sentence is an emphatic structure,emphasizing the adverbial of time.
S G:7.“It”is used here as an impersonal pronoun,referring to distance.
S H:8.“It”here is used to point out definitely a person.
S I:9.“It”here is applied to a new bike.
S J:10.“It”refers to time.
S K:11.“It”is used as the subject,expressing state of things in general.
S L:12.This sentence is also an emphatic construction,emphasizing adverbial of place “on this coast”.
S M:13.The word “it”here is used as a formal subject.
T:Quite right.As we all know,the word “it”can be used as a personal pronoun.In this case,“it”is not generally applied to a person,but to a thing or an animal just mentioned,such as “Sentence 9”.Secondly,“it”is used as a subject in expressions of time,weather,distance,etc,such as,in Sentence 2,3,7,10,11.Thirdly,“it”can be used as a formal subject or object.(The real subject is an infinitive or gerundial phrase or a clause.)Such as,in sentences 1,4,5,13.Fourthly,in Sentence 8,“it”points to a person and is called the Demonstrative it.It can also be used in the emphatic structure,such as in sentence 6,12.
Step Ⅱ.Practice
T:From the exercise we've done just now,we can see that you are all familiar with the common use of“it”.Next,let's see some important sentence patterns.Now,I'll give you an exercise on the screen.(Show the screen.)Pair work or group work.Some of the patterns are perhaps not familiar to you.If so,look at the answers some minutes later and remember them.
(Some minutes later,teacher shows the answers on the screen to let the students check.)
T:(Teacher shows the screen.)There are some other useful sentence patterns for you.Please do the exercise on the screen.Have a discussion with your classmates.
T:(Some minutes later.)Have you fi-nished it?Now look at the screen.(Teacher shows the screen.)Please remember these sentence patterns.
Step Ⅳ.Test
T:Now let's have a quiz.Please look at the screen and do the exercise on it.
Suggested answers:
1.D
2.B
3.D
4.D
5.A
6.A
7.B
Step Ⅴ.Summary and Homework
T:In this class,we've gone over the use of “it”.Can you remember it?Let's recall it together.“It”can be used as a personal pronoun…(The Design of the Writing on the Blackboard.)There are some useful sentence patterns.They are….After class,make sentences with them.Next class,I'll call some students to say their sentences to us.That's all for today.Class is over.
Step Ⅵ.The Design of the Writing on the Blackboard
Step Ⅶ.Record after Teaching
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