book6unit3Grammar市公开课一等奖省赛课微课金奖课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,1/20,1.It is never too old to learn.,活到老,学到老。,Look at these proverbs and see what they have in common.,2/20,2.It rains cats and dogs.,大雨滂沱,3/20,3.It never rains but it pours.,不鸣则已,一鸣惊人。,4/20,4.It is a poor mouse that has only one hole.,5/20,1.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 mouse that has only one hole.,“It”is widely used in English.“It”is very useful and can be used in many ways.,6/20,The subject position,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.,“It”can be used in the,subject position to stand for,_,_,or _.,a clause,an infinitive,-ing form,Look at the sentences and think about the way“it”is used.,7/20,The object position,4.I think,it,best that you should do more,exercise.,5.He found,it,difficult to accustom himself,to getting up early.,a clause,an infinitive,8/20,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 in the,subject,or,object,position,to stand for _,_ or _.,a clause,an infinitive,-ing form,9/20,形式主语句型,Its+adj.(possible/necessary/important/easy/strange/natural to do/that ),Its+n.(pity/honor/shame/wonder)to do sth.,Its+adj./n.doing sth.,Its+-ed+that,10/20,It takes sb.some time to do sth.,It seems that,It remains a secret/to be done,It matters.,Its likely/unlikely that.,11/20,形式宾语句型,Make,think,feel,find,consider+it+adj./n.to do sth.,Like/enjoy/appreciate/dislike/hate/depend on/see to/take for granted+it+从句,I would appreciate it if you can answer my question.,She hates it when you use her books.,Will you see to it that luggage is brought back?,12/20,2.Some young people think they look,attractive when they smoke.,It,seems _,_,Giving up smoking is difficult to do.,It,is _,that some young people think they look attractive when they smoke.,difficult to give up smoking.,Rewrite these sentences using an“it”structure.,13/20,3.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.My father has quit smoking at last.,It,is wonderful _,_,that my father has quit smoking at last.,14/20,6.China produces one third of the worlds,cigarettes.,It,is astonishing _,_,7.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.,15/20,8.You could suffer from bad health if you,keep smoking.,It,is likely _,_,9.You have to take pills to control your,blood pressure.,It,is necessary _,_,for you to take pills to control your blood pressure.,that you could suffer from bad health if you keep smoking.,16/20,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,weighed 4 kg.,6.,It,s very noise now.,7.,It,is Friday today.,8.,It,lies in the south of Shaoguan city.,It,is 40!You got a high fever!,who s knocking at the door?,It,might be the milkman,观察,It 可指代时间，距离，温度，日期，天气，重量，长度，环境，方位，性别不明人、婴儿,17/20,It/one/that,区分,它们均作代词用于指代前文提到名词。,It是,同名同物,；one和that是,同名异物,I like the bike,but I have no enough money to buy,it,.,I like bicycles,but I cant afford to buy,one,.,The bike which I want to buy is more beautiful than,that,he has.,18/20,One 为,泛指,，相当于a/an+名词,That 为,特指,，相当于the+名词,A chair made of steel is stronger that one made of wood.,The water in the cup is hotter that that in the pot,One 只能代替,可数名词单数,，代替可数名词复数用ones;that 既可代替,不可数名词,能够代替,可数名词单数,，代替可数名词复数用those,19/20,I like a red pen more than a blue,one,.,There were a few young people and some older,ones,in the house.,Mary s handwriting is far better than,that,of Peter.,These pictures are more beautiful than,those,in the house.,20/20,