unit3 Learning about languageppt课件

1、unit 1 festivals around the world learning about language，1年级教育新课程必需3门，discovering useful words and expressions，1 which of these wordschoose the correct ending for each word then write the new word . use the dictionary to help you .religious、Religion danger humour courage culture nation、season origi

2、n produce educate celebrate predict、dangerous、humour2 complete the passage below with the words and expressions in the box .many people think that Christmas is a western _ _ _ But in fact it is really a world wide holiday . Christmas actually as amany people celebrate Christmas _ _ _ _ _ _ _ _ _ _ i

3、t were just a holiday to _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _dont _ _ _ _ _ _ _ _ _ _ _ _ _ the day you stop suffering，Because when it comes you know youlowI would rather have a mind opened by wonder than one closed by _ _ _ _ _ _ _ _。gerry Spence，look forward to _ _ _ _ _ _ you rosebud s while you may

4、，old time is still a-flying，and this samethere is no _ _ _ _ _ _ _ on earth does not end in parting；9.every one has some _ _ _ _ _ _ they can do，but each has his own way of doing them . unknown 10。Those who can lose se Those who wish for _ _ _ _ _ shall lose-unknown，tricks，gain，gain，grammar，modal第一，

5、情态动词本身都有一定的意义，但不能表示正在发生或已经发生的事情，只是期待或估计某事发生。(约翰肯尼迪，现译)第二，情态动词除了ought和have外，后面必须继承没有to的否定式。第三，情态动词没有人称和数的变化，也没有谓语形式。仅用作情态动词的： can/could，may/might，ought to，must情态踏实的： need，dare/dared情态助动词的： shall/should usmust，cant 1) must是必需的，需要的，must表示主观的，have to表示客观的。回答Must提出的提问时，如果答案是否定的，则不能使用mustnt，必须使用neednt或don

6、t have to。例如：must we hand in our exercise books today？是，you must。(no，you dont have to .)2) cant代替mustnt在口语中表示禁止或不允许。例如， you cant play football in the street .3) must在表示猜测时只能用于肯定语句。there must be something wrong with the computer。牙齿电脑一定有问题。you have worked hard all day . you must be tired。你努力学习了一整天，一定累

7、了。4) must be doing/do意味着对当前的行为做出积极的推测。像：一样，他现在可能在读小说。He must be reading novels now .they have bought a new car。they must have a lot of money .他们买了新车，他们一定很有钱。5) must have done对过去发生的事情表示了肯定的判断。他们在打篮球，他们可能已经完成了作业。They are playing basketball，they must have finished their home work。路湿了，昨晚好像下雨了。the road i

8、s wet . it must have rained last night .2 .can，could 1) can/could表示猜测时只能用于否定句或疑问句。Its so late。Can Tom be reading？这么晚了，汤姆还在看书吗？It cant be Mary。She has fallen ill。牙齿人不能成为玛丽。她病了。She couldnt be telling lies。她不能说谎。2) can/could have done推测科举行动的可能性的：刚才我看到他了，所以他不能出国。I saw him just now so he could nt have go

9、ne abroad .门被锁上了，不能在家。the door was locked . she could nt have been at home .3) can/could have done用于积极的句子，表示对过去发生的事情的判断。你本来可以考得更好。You could have had a better mark。3 .may/might 1) may/might只能用于猜测时的陈述，表示对当前或将来发生的动作没有太大的把握。他们明天可能会来这里。They may come here tomorrow，他们可能还在等我们。They may be still waiting for u

10、s.2)可以使用might指向过去的行为，或表示可能性较小。他可能在做作业。He might be doing his homework now .我问他我是否能离开。I asked him if I might leave . I asked him“may I leave now？”，3) might/may have done，表示对过去发生的动作的可能性推测。他可能去了医务室。He may have gone to the clinic。他可能已经从报纸上知道牙齿的消息了。he might have read about the news in the new spaper，will/

11、would you do？要求票，意志，愿望，决心。Would表过去重复的动作或某种倾向“总是，总是”used to表过去经常(现在没有这种习惯)“科举经常”used to可以和状态动词一起使用，would是e.g. he Used to be a quiet boy.Would you pass me the book？表示意志、愿望、决心。例如：I will never do that again . they asked if we would do that again .5 .shall，should 1)在第一至第三人称疑问句中，shall用于询问对方的意思，例如shell we

12、begin our lesson？when shall he be able to leave the hospital？2)在2-3人称陈述中使用表语者的命令、警告、约定等语气。示例：he shall have the book when I finish reading . you shall do as I say . 3)should表示建议、建议和命令，同义词是ought to在疑问句中，通常用should代替ought to。示例：you should go to class right away。4) should/ought to have done牙齿没有做过去应该做的事，而

13、是斥责了。示例：you should have written with a pen，not a pencil.yes，I know I ought to have，but I had no pen to write with。5) shoull示例：I was really anxious about you。you should nt have left home without a word。im not feeling well in the stomach，I should nt have eaten so much fried chicken just now . 6)need nt have done牙齿过去不需要做的事情实际上已经做了。示例：you need nt have told him that。1 .when you are very sure of som