高中英语-unit3-Grammar课件-新人教版选修6.ppt

1、人教课标人教课标高二高二 选修选修 6Unit 31.It is never too old to learn.活到老活到老,学到老。学到老。2.It rains cats and dogs.大雨滂沱大雨滂沱3.It never rains but it pours.不鸣则已不鸣则已,一鸣惊人。一鸣惊人。4.It is a poor mouse that has only one hole.1.It is never too old to learn.2.It rains cats and dogs.3.It never rains but it pours.4.It is a poor mo

2、use that has only one hole.It is amazing that at my age I am still fit.2.It is easier to fall than to rise.3.It is no good crying over spilt milk.4.I think it best that you should do more exercise.5.He found it difficult to accustom himself to getting up early.The subject position It is amazing that

3、 at my age I am still fit.2.It is easier to fall than to rise.3.It is no good crying over spilt milk.“It”can be used in the subject position to stand for _,_ or _.a clausean infinitive-ing formThe object position4.I think it best that you should do more exercise.5.He found it difficult to accustom h

4、imself to getting up early.a clausean infinitive It is amazing that at my age I am still fit.2.It is easier to fall than to rise.3.It is no good crying over spilt milk.4.I think it best that you should do more exercise.5.He found it difficult to accustom himself to getting up early.“It”can be used i

5、n the subject or object position to stand for _,_ or _.a clausean infinitive-ing form Its difficult to give up smoking.Is it certain that they will win?It is good learning without practice.It is fun for him to study.Its a pity that our teacher cant take part in our party.6.It is suggested that we(sh

6、ould)arrive there in 2 hours.formal subject It+is+adj./n./p.p.+infinite/clause/-ing formreal subject clear,easy,true,difficult,certain,etc.fun,a pity,a shame,no use/good,etc.said,believed,decided,hoped,etc.Its difficult to give up smoking.It is fun for him to study.3.It is suggested that we(should)a

7、rrive there in 2 hours.遵循英语语言遵循英语语言的尾重原则的尾重原则,避免句子头重避免句子头重脚轻。脚轻。formal object2.+verb+it+adj./n.+infinite/clause/-ing formreal object find,think,feel,believe,consider,make,etc.2.Some young people think they look attractive when they smoke.It seems _ _ Giving up smoking is difficult to do.It is _ that

8、 some young people think they look attractive when they smoke.difficult to give up smoking.3.Most people believe smoking causes cancer.It is believed _4.Dont try to quit on a stressful day.It is no use _trying to quit on a stressful day.that smoking causes cancer.5.China produces one third of the wo

9、rlds cigarettes.It is astonishing _ _6.You are not allowed to advertise cigarettes in this country.It is illegal _ _ that China produces one-third of the worlds cigarettes.to advertise cigarettes in this country.7.My father has quit smoking at last.It is wonderful _ _8.The night was dark and stormy

10、when the old man started his journey.It was a _ _ dark and stormy night when the old man started his journey.that my father has quit smoking at last.9.You could suffer from bad health if you keep smoking.It is likely _ _10.You have to take pills to control your blood pressure.It is necessary _ _ for

11、 you to take pills to control your blood pressure.that you could suffer from bad health if you keep smoking.8.It was a dark and stormy night when the old man started his journey.In this sentence,“it”is used to talk about time.In this sentence,what does“it”refer to?It is a beautiful day.2.It never ra

12、ins but it pours.3.It was time to quite smoking.4.It is 10 kilometers to the castle.5.It takes all sorts.世上的人形形色世上的人形形色 色，无奇不有。色，无奇不有。“It”can be used to talk about _,_,_,etc.It is a beautiful day.2.It never rains but it pours.3.It was time to quite smoking.4.It is 10 kilometers to the castle.5.It ta

13、kes all sorts.weathertimedistance Impersonal“it”can also be used totalk about _,_,_,_,etc.circumstance1.It is Friday today.2.It lies in the south of Shaoguan city.3.It is 40!You got a high fever!4.Its quiet here.dateplacetemperature1.It was very cold yesterday.2.It is about 8:30 now.3.It is about 5k

14、m from my home to the park.4.Its quite noisy here.5.I hope that it will be fine tomorrow.circumstanceweathertimedistanceweather One of you is an eyewitness(E)who has seen a robbery or an accident.The other is the policeman/policewoman(P)who wants as much information as possible.Use“it”in the answers

15、.EXAMPLE:P:What was the weather like on the day of the accident?E:It was beginning to rain hard and the ground was slippery.P:How far could you see?E:It was impossible to see more than twenty yards ahead of you,so all the cars were travelling very slowly.P:What about Mr.Lis car?Was it travelling slowly too?Practise your dialogue and then swap roles.