牛津译林英语七年级下册7B Unit4 Grammar课件.pptx（纯ppt,不包含音视频素材）

1、牛津译林英语七年级下册7B Unit4 Grammar 课件Grammar A冠词冠词a,an&theIt is _.The panda is eating bamboo.a panda It is _.The monkey is eating an apple.a monkeyIt is _._ is walking.an elephantThe elephantIt is _._ is red.an appleThe appleIt is a panda.The panda is eating bamboo.It is a monkey.The monkey is eating an ap

2、ple.It is an elephant.The elephant is walking.It is an apple.The apple is red.结论：结论：当我们当我们首次首次提到某人或某物时，提到某人或某物时，在前面用不定冠词在前面用不定冠词a/an。当我们当我们再次再次提到某人或某物时，提到某人或某物时，我们在前面加定冠词我们在前面加定冠词”the”。不定冠词：a/ana panda a monkeyan elephantan apple结论：结论：a用于用于辅音音素辅音音素开头的词前，开头的词前，an用于用于元音音素元音音素开头的词前。开头的词前。不定冠词不定冠词 (a/an

3、)(a/an)1、用于可数名词的单数形式前，表示、用于可数名词的单数形式前，表示“一一”的含义。的含义。This is an interesting book.There is a garden behind Jims house.2、用于固定词组中。、用于固定词组中。half an hour,a lot of,just a minute,a pair/packet/carton/loaf/of 小试身手：用a或an填空_ lion _bird _orange _“L”_giraffe _ old man _“u”_ umbrella _ interesting book_ houraanan

4、ana_ an注意：注意：an是放于是放于元音音素元音音素前，前，而不是而不是元音字母元音字母前。前。anaanana小试身手：用a/an 或the 完成下列句子1.Once there lived _ old man._ old man had 3 sons.2.-Is there _ library near here?-Yes._ library is just next to _post office.3.There is _park near my home._park is very big.4.There is _cinema in Green Street.Ill watch

5、_film in _cinema.aaaanThetheTheThethetheLanguage points:lie on-on pen areago the bridge定冠词定冠词(the)(the)1.用于用于上文提到过的上文提到过的人或事物。人或事物。eg.I want to have a fashion show.Where can I have the show?2.用于用于谈话双方都知道谈话双方都知道的人或事物，的人或事物，表示表示“这这/那个那个”。eg.Whos behind the door?Look at the blackboard.4.用于用于乐器名词前乐器名词前。

6、5.用于用于某些某些adj.前前表示表示一类人或事物一类人或事物。eg.play the piano,play the violin,play the guitareg.the poor/rich,the old/young3.用于用于世界上独一无二世界上独一无二的事物。的事物。eg.the sun,the moon,the earth,the world,the Great Wall,the Summer Palace7.用于用于序数词前序数词前eg.Hes the third child of his family.I live on the second floor.6.用于用于姓氏复数

7、前，姓氏复数前，表示表示“夫妇夫妇/一家人一家人”。eg.The Whites often have parties in the garden.The Blacks The Greens 9.用于用于一些固定短语中。一些固定短语中。eg.in the front/middle of,in the morning,at the same time,in the centre of 8.用于用于最高级前最高级前eg.Tom is the best student in our class.He is one of the tallest students in the school.I live

8、 in one of the_(big)flats.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 should try their best to help _poor.Thethethethet

9、heThetheThe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 不定冠词不定冠词a、an1、泛指某一类人或事物中的一个或一类。、泛指某一类人或事物中的一个或一类。如：如：An elephant is much heavier than a horse._ horse is _ useful animal.2、用于序数词前，表示、用于序数词前，表示“又一，再一又一，再一”。I have read the books twice

10、,but I want to read a third time.Aa思考：是不是所有的名词前都得加冠词？一些固定短语中一些固定短语中eg.by plane,go to school/work,after school,at night,at work 星期，月份星期，月份，季节，年，国家，节日，语言，季节，年，国家，节日，语言,学科？学科？球类运动，棋牌游戏，一日三餐球类运动，棋牌游戏，一日三餐零冠词：不用冠词的情况零冠词：不用冠词的情况 零冠词（零冠词（不用冠词）不用冠词）1、在专有名词（国名，城市名，人名在专有名词（国名，城市名，人名,路名）前不用冠词。路名）前不用冠词。Beijing

11、is a beautiful city.2、在称呼语或表示头衔的职位名词前不用冠词。、在称呼语或表示头衔的职位名词前不用冠词。Mr Wang is from Australia 3、名词前有物主代词、指示代词、不定名词前有物主代词、指示代词、不定 代词、名词所有格代词、名词所有格 或或any和和no时时名词前有名词前有“this,that,those,these,my,your,some，Toms”等词修饰时不用冠词。等词修饰时不用冠词。在需要的空格内填入冠词在需要的空格内填入冠词a,an或或the:1.Where are _ balls?Are they under _chair?2.-Wh

12、o is that?-_ girl in _ hat?I dont know.3.I have _ apple.Its in my bag.Can you see _ apple?4.This is _ bag._ bag is under _ desk.5.Look at _ map.Its _ map of _ China.6.Are they _ twins?Yes,they are.thetheTheanaThetheathea/the7.We are in _ same school.But John is _ American boy.8.We must be polite to _ old.9._ moon goes around _ sun.10.Who is _ first one to come here?11.She goes to school by _ bike,but yesterday she went here in _ car.12.Its _ useful book.He is _ unhappy boy.13._ Smiths are having supper at home now.theTheathean/theaThethean