教育专题：it的用法 (2).ppt

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1、It的用法（一）的用法（一）一一Pronoun 作代词作代词(1)指代上文中出现的物品、动物或人；且指代上文中出现的物品、动物或人；且“it”指特定的物或人。指特定的物或人。若指上文中提到的同一类的人或物用若指上文中提到的同一类的人或物用“one”-Whos that?Its me.-I have brought a handbag here.It is black.(2)指代时间、距离、金钱、天气、环境等，也可以指一指代时间、距离、金钱、天气、环境等，也可以指一 般情景，翻译成中文时般情景，翻译成中文时“it”不一定译出来不一定译出来-There is some money in this

2、bag.It is 200 yuan(金钱)-It is cold today.（天气）-It was a long time before he recovered from a bad cold.（时间）（荆州市2013届一调）(One day,in the classroom)Jim:Lucy,what are you doing?Lucy:I am trying to make a plane model.Its my homework of the Skill Course.Jim:It will take you a long time to finish it.Do you ne

3、ed my help?Lucy:Oh,its kind of you to help me.I suppose the teacher has given me a terrible task.Jim:Its no use complaining.Its said that there is a will,there is a way.Lets complete the model together.Lucy:Thank you.It appears that you have much confidence.Jim:Well,in fact I made the same model bef

4、ore.Lucy:Thats great!(two hours later)Lucy:A ha,it seems a miracle that we have made such a delicate plane model!Thank you so much!Lets read the dialogue (One day,in the classroom)Jim:Lucy,what are you doing?Lucy:I am trying to make a plane model.Its my homework of the Skill Course.Jim:It will take

5、you a long time to finish it.Do you need my help?Lucy:Oh,its kind of you to help me.I suppose the teacher has given me a terrible task.Jim:Its no use complaining.Its said that there is a will,there is a way.Lets complete the model together.Lucy:Thank you.It appears that you have much confidence.Jim:

6、Well,in fact I made the same model before.Lucy:Thats great!(two hours later)Lucy:A ha,it seems a miracle that we have made such a delicate plane model!Thank you so much!Lets read the dialogue 代替句子真正的主语。真正的主语通常是后置的动词不后置的动词不定式、动名词、主语从句或者宾语从句定式、动名词、主语从句或者宾语从句。英语中出现此类现象的原因是为了保持句子平衡美观。现在许多含有“it”作形式主语的句式已

7、经变成英语中的固定句型，成为了高考热点。二二.Formal Subject 作形式主语作形式主语 It takes sb+一段时间一段时间+to do “做做花花sb一段时间一段时间”“Jim花了一个小时完成他的家庭作业。”-It took Jim one hour to finish his homework.(One day,in the classroom)Jim:Lucy,what are you doing?Lucy:I am trying to make a plane model.Its my homework of the Skill Course.Jim:It will ta

8、ke you a long time to finish it.Do you need my help?Lucy:Oh,its kind of you to help me.I suppose the teacher has given me a terrible task.Jim:Its no use complaining.Its said that there is a will,there is a way.Lets complete the model together.Lucy:Thank you.It appears that you have much confidence.J

9、im:Well,in fact I made the same model before.Lucy:Thats great!(two hours later)Lucy:A ha,it seems a miracle that we have made such a delicate plane model!Thank you so much!Lets read the dialogue (One day,in the classroom)Jim:Lucy,what are you doing?Lucy:I am trying to make a plane model.Its my homew

10、ork of the Skill Course.Jim:It will take you a long time to finish it.Do you need my help?Lucy:Oh,its kind of you to help me.I suppose the teacher has given me a terrible task.Jim:Its no use complaining.Its said that there is a will,there is a way.Lets complete the model together.Lucy:Thank you.It a

11、ppears that you have much confidence.Jim:Well,in fact I made the same model before.Lucy:Thats great!(two hours later)Lucy:A ha,it seems a miracle that we have made such a delicate plane model!Thank you so much!Lets read the dialogue当此adj.用来修饰sb时，用of；当此adj.译为“对于sb是的”时，用for-It is clever of you to find

12、 this method.-It is important for you to study English.二二.Formal Subject 作形式主语作形式主语 It is+adj.+for/of sb to do 想一想：何时用for，何时用of？“找到这个办法你真是太聪明了。”“学英语对于你们来说是很重要的。”(One day,in the classroom)Jim:Lucy,what are you doing?Lucy:I am trying to make a plane model.Its my homework of the Skill Course.Jim:It wil

13、l take you a long time to finish it.Do you need my help?Lucy:Oh,its kind of you to help me.I suppose the teacher has given me a terrible task.Jim:Its no use complaining.Its said that there is a will,there is a way.Lets complete the model together.Lucy:Thank you.It appears that you have much confiden

14、ce.Jim:Well,in fact I made the same model before.Lucy:Thats great!(two hours later)Lucy:A ha,it seems a miracle that we have made such a delicate plane model!Thank you so much!Lets read the dialogue (One day,in the classroom)Jim:Lucy,what are you doing?Lucy:I am trying to make a plane model.Its my h

15、omework of the Skill Course.Jim:It will take you a long time to finish it.Do you need my help?Lucy:Oh,its kind of you to help me.I suppose the teacher has given me a terrible task.Jim:Its no use complaining.Its said that there is a will,there is a way.Lets complete the model together.Lucy:Thank you.

16、It appears that you have much confidence.Jim:Well,in fact I made the same model before.Lucy:Thats great!(two hours later)Lucy:A ha,it seems a miracle that we have made such a delicate plane model!Thank you so much!Lets read the dialogue It is no use/good doing“做做是没有用的是没有用的”-It is no good crying over

17、 spilt milk.“覆水难收”二二.Formal Subject 作形式主语作形式主语 It is said/reported/well known/that-“据说据说/据报道据报道/众所周知众所周知”想一想：使用此句型时要注意什么？主句要用被动语态；注意观察语境，确定时态“据说他明天要动身去北京。”-It is said that he will leave for Beijing tomorrow.(One day,in the classroom)Jim:Lucy,what are you doing?Lucy:I am trying to make a plane model.

18、Its my homework of the Skill Course.Jim:It will take you a long time to finish it.Do you need my help?Lucy:Oh,its kind of you to help me.I suppose the teacher has given me a terrible task.Jim:Its no use complaining.Its said that there is a will,there is a way.Lets complete the model together.Lucy:Th

19、ank you.It appears that you have much confidence.Jim:Well,in fact I made the same model before.Lucy:Thats great!(two hours later)Lucy:A ha,it seems a miracle that we have made such a delicate plane model!Thank you so much!Lets read the dialogue (One day,in the classroom)Jim:Lucy,what are you doing?L

20、ucy:I am trying to make a plane model.Its my homework of the Skill Course.Jim:It will take you a long time to finish it.Do you need my help?Lucy:Oh,its kind of you to help me.I suppose the teacher has given me a terrible task.Jim:Its no use complaining.Its said that there is a will,there is a way.Le

21、ts complete the model together.Lucy:Thank you.It appears that you have much confidence.Jim:Well,in fact I made the same model before.Lucy:Thats great!(two hours later)Lucy:A ha,it seems a miracle that we have made such a delicate plane model!Thank you so much!Lets read the dialogue二二.Formal Subject

22、作形式主语作形式主语 It is/seems/appears+adj./n.+that“他在那个年纪依然充满活力，真奇怪呀！”-It seems strange/a strange thing that he should be still energetic at his age.It seems/appears/happens that-“似乎似乎”,“碰巧的是碰巧的是”“老板今天似乎心情很好。”-It seems that the boss is in good mood today.三三.Formal Object 作形式宾语作形式宾语 当复合宾语中的宾语是不定式、动名词、宾语从句时，

23、往当复合宾语中的宾语是不定式、动名词、宾语从句时，往 往把它们放在宾语补足语后面，而用往把它们放在宾语补足语后面，而用 it it 作形式宾语作形式宾语 find it+adj./n.+(for sb)to do find it+adj./n.+that-I find it important(for you)to study English.-I find it an important thing that you should study English.想一想：find这个位置可以换成哪些动词？第一类：感官动词，“觉得,认为”，如 think,believe,suppose,consi

24、der,feel,take,etc.第二类：使役动词，如 make,keep,etc.“他规定自己每天黎明前起床。”(rule)-He makes it a rule that he gets up before dawn.“Jim 认为妈妈为他做饭是理所当然的。”-Jim takes it for granted that his mother cooks for him.take sth for granted 认为某事是理所当然的 今天是星期三今天是星期三，能在此演讲是我的荣幸能在此演讲是我的荣幸。我的主题是我的主题是“高三（高三（3 3）班，我爱你。）班，我爱你。”我们的教室在四楼，我

25、们的教室在四楼，到操场不是很方便到操场不是很方便。但是在业余时间，我们还是经常去那里锻炼但是在业余时间，我们还是经常去那里锻炼身体。众所周知，身体。众所周知，一直不停地学习而不参加一直不停地学习而不参加锻炼是没好处的。锻炼是没好处的。我也爱我的同学们。我也爱我的同学们。我们认为彼此帮助我们认为彼此帮助很重要很重要。每天我们刻苦学习，。每天我们刻苦学习，直到晚上直到晚上8 8：3030才离开教室。才离开教室。总之，总之，信不信由你，信不信由你，高三高三(3)(3)班是最棒的。班是最棒的。Dear teachers and students,It is Wednesday today.Its my

26、 honor to make a speech here.My topic is“I Love You,Class3,Grade3.”My classroom is on the fourth floor.It is not convenient for us to go to the playground.However,we often go there to take exercise in our spare time.As we all know,it is no good studying without taking exercise.I also like my classmates.We think it important to help others.We study hard everyday,and it is not until 9:30 that we leave the classroom.In short,believe it or not,Class3,Grade3 is the best.That all.Thank you.