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1、牛津译林版英语7B-Unit4-Grammar语法课件(共37张PPT)a snakea liona tigera giraffean eggan umbrellaan orangean English book1.第一次提到某人或某物时。第一次提到某人或某物时。I have a book.2.泛指某一类的人或物。泛指某一类的人或物。A panda is very lovely.判断一个单词用判断一个单词用 a 还是用还是用 an，是根据，是根据其其读音读音，而不是根据其，而不是根据其首字母首字母。以以元元音音素音音素开头的词前用开头的词前用“an”，以，以辅音辅音音素音素开头的词前开头的词前
2、”a“。如：如：an hour,an apple,an elephant,a useful book等。等。Look!Here is a panda.The panda is eating bamboo.Look!Here is an apple.The apple is red.小试身手：用小试身手：用a或或an填空填空_ lion _bird _orange _“L”_giraffe _ old man _“u”_umbrella_ interesting book _ hour_ honest boyaaanananananaaan注意：注意：an是放于是放于元音音素元音音素前，而不是元
3、前，而不是元音字母前。音字母前。an特殊词：特殊词：a usual boy;a useful book;a university;a one leg dog an uncle;an umbrella an honest boy;an hour;字母前用字母前用an“a,e,i,o,f,h,l,m,n,r,s,x”1.指上文提到过的人或物。如：指上文提到过的人或物。如：Lucy bought a new bike,the bike is green.2.世界上独一无二的事物。如：世界上独一无二的事物。如：the sun the moon3.谈话双方都知道的人或事物。如：谈话双方都知道的人或事物。
4、如：Open the door,please.4.序数词和形容词最高级前。如：序数词和形容词最高级前。如：She is always the first to get to school.5.乐器名词前用。如：乐器名词前用。如：play the piano play the violin6.定冠词与形容词连用表示一类人，加定冠词与形容词连用表示一类人，加 在姓氏的复数形式前表示在姓氏的复数形式前表示“全家人全家人”或或“夫妇夫妇”。如：。如：the rich 有钱人有钱人 the young 年青人年青人 the Rreens 格林一家格林一家7.某些专用名词和习惯用语中用定冠某些专用名词和习
5、惯用语中用定冠 词。词。the Great Wall by the way 8.用在方位名词前用在方位名词前 on the left/right 小试身手：用适当的冠词填空，为什么？1.We live on _third floor of the tall building.2._Whites are preparing for the coming Thanksgiving Day.3.My cousin,Amy,like playing _violin.4._earth goes around _sun.5.I believe you are _best singer.6._rich sh
6、ould try their best to help _poor.ThethethethetheThetheThe序数词前序数词前用于姓氏复数形式前，表示某一家人用于姓氏复数形式前，表示某一家人乐器前乐器前世界上独一无二的事物世界上独一无二的事物形容词最高级前形容词最高级前某些形容词前，表示某一类人某些形容词前，表示某一类人1.名词前已经有指示代词（名词前已经有指示代词（this,that,these,those）、形容词性物主代词）、形容词性物主代词（my,his,our）或名词所有格等）或名词所有格等限定词。限定词。2.表示语言、学科、三餐、球类运动、表示语言、学科、三餐、球类运动、棋类
7、运动的名词前。棋类运动的名词前。3.在不可数名词前。在不可数名词前。3.表示星期、月份、季节、某些节表示星期、月份、季节、某些节日的名词前。日的名词前。4.表示人名、国名、称呼语或头衔表示人名、国名、称呼语或头衔等专有名词前。等专有名词前。5.某些固定短语中。某些固定短语中。by bike,by bus,at first,at work,on foot,go to school,go to bed,等。等。Practice：Fill in the blanks with a,an or the.1.-I can see _ kite over there.-Where is _ kite?I
8、cant see it.2.-Is there _ library near here?-Yes._ library is just next to our classroom.3.I have _ apple.Its in my bag.Can you see _ apple?4.There is _cinema in Green Street.Ill watch _ film in _ cinema.aaanaaThethethetheMillie:Lets go to the Panda House first.Daniel:Here we are.I can see(1)_ panda
9、 there.Its lying on the grass.Millie:How cute!I love pandas.Look!Theres(2)_ baby panda.Its so small.aaDaniel:Yes.(3)_ baby panda doesnt look like its mother.Millie:Now lets go to see some lions.Daniel:Are(4)_ lions in(5)_ open area?Millie:No,they arent.They are in(6)_ very big cage.The the anaDaniel
10、:I see.(Half an hour later)Daniel:Millie,heres(7)_ bridge.What can you see across it?Millie:Oh,(8)_ elephant is standing over there.Daniel:Lets go across(9)_ bridge and see(10)_ elephant.aanthethe在必要的地方用在必要的地方用 a,an,the 填空。填空。1.Where is Peter?He isnt at _ school.2.There is _ orange in the fridge.3._
11、 pencil on the desk belongs to Sandy.4.I have _ new bike.I clean _ bike every day.anTheathe5.Dad often goes fishing in _ summer.6.A:Can I help you?B:Im looking for _ pair of shoes.7.People in Nanjing now go to work by _ underground.8.Who is good at playing _ football in your class?9._ boy in a red c
12、oat is my cousin.aThe10.I live on _ third floor.11.There is _“h”,_“o”,_“u”in the word“hour”.12.Simon likes to play _ piano but he doesnt like to play _ basketball.13.Beijing is _ capital of China.thethetheaananinsideoutsideonover/abovein front ofbehindon the left ofon the right ofunder/belowPreposit
13、ions of the place(方位介词方位介词)over 在在的正上方的正上方 under在在的正下方的正下方above在在的上方的上方(表面表面不接触不接触)below 在在的下方的下方on在在的上面的上面(表面接触表面接触)overunderabovebelowonDo you know these words?Lets learn them together.Can you fill in the blanks with these prepositions.1.There is a face _ the desk.2.The moon is _ the desk.3.The su
14、n is _ the desk.4.I can see a star _ the desk.5.There is a tree _ the desk.deskoveraboveunderbelow onover under above belowinside outside in front of behind on the left(of)on the right(of)next to=beside,in the middle of,in the centre ofin,on,at,opposite,near,betweenand.,in the front of表示方位的介词表示方位的介词
15、The flower are in front of the shop.The trees are behind the shop.The shopkeeper is inside the shop.The boy is outside the shop.The food is above the drinks.The drinks are below the food.The sign is over the bench.The dog is under the bench.Theres a beautiful lake in the park.Look!Two boys are rowin
16、g a boat(1)_ the lake.(2)_ the lake theres a football field.Some boys are playing football(3)_ it.BesideIn the parkonon(4)_ the football field,there are two trees.On the left,a bird is singing.(5)_ one tree.On the right,two boys are sitting(6)_ the other tree.(7)_ the two trees,three girls are chatt
17、ing(8)_ the bench.In front ofBetweenin underon1.The football is _ the door,so I cant see it.2.Dont stand _ us,or we cant see the film clearly.3.There is an electric fan _ the desk.4.Look!Your rubber is _ the chair.Pick it up.5.The moon is now _ the trees.behindin front of aboveunderabove练一练：练一练：填入适当
18、的介词使句子通顺。填入适当的介词使句子通顺。6.Eddie doesnt want to live _ the palace.7.Stephen is chatting with his friends _ the balcony.8.Li Ming is my neighbour.His house is _ mine.9.The Palace Museum is in the _ of Beijing.10.“Kitty sits on the right of Sandy”.It means Sandy sits on Kittys _.inoncentre leftbeside/next to1.Remember the new words in this lesson.2.Do the exercises on the workbook.此课件下载可自行编辑修改，仅供参考！此课件下载可自行编辑修改，仅供参考！感谢您的支持，我们努力做得更好！谢谢感谢您的支持，我们努力做得更好！谢谢