高三英语教案 Unit 4 Green World (教学详案)

It is certainly important to distinguish between right and wrong.
明辨是非当然要紧。
Speeches distinguishes man from the animals.
言语使人区别于动物。
in detail
详细地
Would you please explain the theme in detail?
您是否能详细地说明一下主题?

Period V
The Object

Teaching Aims：
1．Review what can be used．
2．Review some important rules about the object．
Teaching Important Points:
1．Master the v-ing form and the infinitive used as the object．
2．Master the compound object and “it” used as the formal object．
Teaching Difficult Point
How to master the differences between the v-ing form and the infinitive used as the object．
Teaching Methods：
Review，explanation and inductive methods.
Teaching Aids:
1．a computer
2．a courseware
Teaching Procedures：
Step I Greetings
Greet the whole class as usual
Step II Revision
T：Please look at the sentences on the screen．Try to find the object in each sentence．
(Show the following on the screen)
l．I consider it my duty to help you.
2．She will buy me a birthday present.
3．I found his report interesting.
4．I’m considering changing my job.
5．He decided to go abroad for futher study．
6．She said that she was sick that day.
(Ss prepare for a few minutes and then teacher asks some students to say their answers．)
T：Look at the first sentence．Who will try?
Sa：I'll try．In this sentence，“it”is used as the formal object and the infinitve “to help you”is the real object．
T：Good．We know that a v-ing form and clause can also be used as the real object in such a sentence pattern．Do you remember?
Ss：Yes．
T：Who can make a sentence using a v-ing form as the real object?
Sb：We thought it no good telling him that．
T：Good．Who can make a sentence with a clause as its real object?
Sc：They want to make it clear to the public that they do an important and necessary job．
T：Good．Sit down，please．Now，let’s look at the next sentence．Who wants a
try?
Sd：In this sentence，。me”is the indirect object and“a birthday present”is the
direct object．
T：Right．We know that some verbs can take both a direct obiect and an indirect object，such as：give，lend，bring, fetch．take。pass，send，ask，write，tell，
show，teach，make，buy．
(Write the verbs on the Bb．)You should try to remember them after class，0K?)
Ss：0K．
T：Now，the third sentence．Li Jing，you try，please．
Se：In this sentence，“his report’’is the object and“interesting”is the object
complement．
T：Good．Please sit down．We know that the infinitive and the noun can also be used as the object complement besides the adjective．Who can give us example．
Sg：They elected him chairman of the club．
T：Good．Now，1ook at the fourth sentence．Who’d like to have a try?
Sh：In this sentence“changing my job”is the object．
T：Right．Can you say some verbs that can only be followed by the v-ing form?
Si：Yes．Consider，delay，admit,enjoy，escape，finish，mind，miss，practise，require，suggest，avoid，keep，advise，and so on．
T：(Write the verbs on the Bb．)Good．Please sit down．Now，please look at
the fifth sentence．Zhang Kai，you try, please．
Sj：The object in it is“to go abroad”．
T：Right．And we’ve learnt that some verb~can only be followed by infinitives．Can you say more verbs like this?
Sk：Agree，ask，choose，demand，expect，hope，manage，offer，plan，promise，
pretend，refuse，wish，fail，afford，determine，and so on．
T：(Write the verbs on the Bb．)Very good．Please sit down．We’ve learnt some verbs that can be followed by either a v-ing form or an infinitive．But some of them have the same meaning when they take a v-ing form or an infinitive．Who can give some examples?
Sl：Continue，like，love，begin，start，bear，attempt，hate and so on．
T：(Write the words on the Bb．)Good．And some of them have different meanings when they take a v-ing form or an infinitive．What are they?
Sm：Forget，remember，regret，try, stop, need，mean and so on．
T：(Write the verbs on the Bb．)Now，look at the last sentence. What’s the object in it?
Step Ill Consolidation
T：Good．Today we’ve reviewed The Object．Now，let’s do some exercises to master it better．Look at the screen．please．you can have a discussion with your partner or discuss them in groups of four．When you all finish them．we’11 check the answers．
(Show the following on the screen．)
I．Fill in each blank using the correct verb form．
1．Xiao Li is used to ____(do)the work．
2．Scientists have found ways to prevent air from ______ (pollute)．
3．Missing the bus means_______ (walk) home．
4．He forgot ______ (hand) the manager his business card so he handed him
another one．
5．Tom’s parents don’t allow Tom _______ (go)swimming．
6．I can’t help ________ (paint)the wall, for I’ve got a lot of work to do．
7．She failed ________(buy)a film ticket．
8．I don’t think it easy for_______ (answer)the question．
9．Betty didn’t expect him ______ (treat)like that．

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