新概念英语第一册Lesson19-20课件.ppt

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1、Whydothechildrenthanktheirmother？Because she buys two ice creams for them.mattermtn.事情事情childrentldrnn.孩子们孩子们（childtald的复数）的复数）tiredtadadj.累的，疲乏的累的，疲乏的boybn.男孩男孩thirsty:stiadj.口渴的口渴的Mummmn.妈妈妈妈sitdownst-dan坐下坐下rightratadj.好的，可以好的，可以icecreamas-kri:mn.冰淇淋冰淇淋三三.Newwords：big大的大的open打开的打开的light轻的轻的long长的

2、长的grandfather祖父，外祖父祖父，外祖父small小的小的shut关着的关着的heavy重的重的short短的短的grandmother祖祖母，外祖母母，外祖母shoe鞋子clean干净的干净的hot热的热的fat肥胖的肥胖的old老的；旧的老的；旧的dirty脏的脏的cold冷的冷的thin瘦的瘦的young年轻的年轻的new新的新的Matchthem：cleanhotfatbigopenlightoldshortcoldthinsmalldirtyshutyoungnewheavytalllongMother:Whats the matter,children?Girl:Were

3、 tired.Boy:and thirsty,Mum.Whats the matter(with )?=Whats wrong(with)?怎么了?child taild n.孩子（单数）children tildrn n.孩子们（复数）一般疑问句：Are you tired and thirsty?Mother:Sit down here.sit down stand upMother:Are you all right now?Boy:No,we arent.肯定回答：Yes,we are.否定回答：No,we arent.(arent=are not)肯定句：We are all rig

4、ht now.all right=OKMother:Look!Theres an ice cream man.look 看（动作）look at.see 看见（结果）Theres=there isbe动词包括am,is,are.there be句型表示人或物的存在an ice cream man复数：There are some ice cream men.There be 句型的结构：1）There is+可数名词单数单数/不可数名词不可数名词+介词短语.2）There are+可数名词复数复数+介词短语.介词短语=介词+名词 介词包括：in(在里面),on(在上面)例句：There is

5、a bottle on the table.There are two shirts on the bed.There be 句型句型变换如果一个句子中有be的形式存在，那么这个句子的疑问或否定形式都在be本身变化，比如一般疑问句，只要把be动词提前，否定句就在be后面加not就可以了。另外记住some用于可数名词单数及不可数名词，并且用于肯定句中。any用于不可数名词，并且用于否定句和疑问句。口诀Therebe句型不一般，句型不一般，主语跟在主语跟在be后边。后边。be可变为可变为is/are,there永远不变化永远不变化，单数主语单数主语用用is,复数主语复数主语要用要用are。变变疑问

6、疑问，很简单，很简单，be须大写来须大写来提前提前；变变否定否定，也轻松，也轻松，be后后not记心中；记心中；肯肯定句中用定句中用some,否定否定、疑问疑问any用。用。时间地点是状语，句子首尾任你选。时间地点是状语，句子首尾任你选。practice请你变换刚才的三个句型，分别改成一般疑问句以及否定句。There is a tie in the box.There are two shirts on the bed.There is some water on the desk.Key point1.不管作主语的名词有多少个，bebe动词的数只与第一个动词的数只与第一个动词的数只与第一个动

7、词的数只与第一个名词保持一致名词保持一致名词保持一致名词保持一致。这就是传说中的就近原则就近原则就近原则就近原则。There is a pen,two pencils and some books on the desk.书桌上有一支钢笔、两支铅笔和一些书。2.there be和have(has)都是“有”，但它们的含义却是不同的。there be表示“客观存在”，而have(has)表示“拥有、占有”。例如：There is a watch on the desk.书桌上有一块手表。（表示存在）I have a watch.我有一块手表。（表示拥有）practice1.There_acloc

8、konthetable.a.isb.are2._therearadioonyourdesk?a.Areb.Is3._thereamaponthewall?Yes,there_.a.Are/isb.Is/arec.Is/isd.Are/are4.There_somestudentsintheclassroom.a.areb.is5.There_apencil,abookandtwopensonthetable.a.isb.are6.There_twoapples,oneorangeandonebananaonthetable.a.isb.are7.Arethere_picturesonthewa

9、ll?No,therearent_.a.any/anyb.some/anyc.some/someMother:Two ice creams please.ice cream 可数名词,复数形式是 ice creams give us two ice creams 给我们两个冰淇淋Mother:Here you are,children.Children:Thanks,Mum.Here you are给你 Here they are/Here it is.Girl:These ice creams are nice.these 这些 those 那些this 这个 that 那个单数：This

10、ice cream is nice.Mother:Are you all right now?Children:Yes,we are,thank you!肯定回答：Yes,we are.否定回答：No,we arent.一补全单词m _ t t _ _ r _ _ _ tt _ _ e d t h _ s _t h _ _ s t _ ice c r _ _ ms _ t c h _ _ d r _ _d _ _ n n _ c _s t _ _ d up t h _ _ kst h _ r _ l _ _ kb _ _ g _ _ e二根据对话内容填空：二根据对话内容填空：Mother:Wh

11、ats the _,children?Girl:Were _.Boy:and _,Mum.Mother:Sit down here.Mother:Are you _ _ now?Boy:No,we arent.Mother:Look!Theres an _ _ man.Mother:Two ice creams please.Mother:_ _,children.Children:Thanks,Mum.Girl:These ice creams are _.Mother:Are you _ _ now?Children:Yes,we are,thank you!三.连词成句1.matter,

12、is,the,what _?2.tired,thirsty,and,we,are _.3.ice,an,man,cream,is,there _.4.ice creams,are,these,nice _.5.all,you,are,right,now _?the matter,children?Whats tired Were and thirty,Mum.Sit down .here you all right,now?AreNo,We .arent Look!Theres ice cream man.ancreams Two ice ,please.you are,children.Here ,Mum.Thanks These ice creams very nice.areYes,are,thank you!Are you all right now?weTheyre clean.his shoes/(dirty)/cleanAre his shoes dirty or clean?Theyre not dirty.the children/(tired)/thirstythe postmen/(cold)/hot