译林版英语七年级英语下册Unit3知识点讲解ppt课件.ppt
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1、7下Unit 3 Welcome to Sunshine Town!全解Comic strip1、An old friend of mine is coming to see me, Hobo.(P 30) “of + 名词性物主代词”可以做名词的后置定语,有时表部分概念,有时有感情色彩。a friend of 与后面的名词是“部分关系”,因此后面的名词用复数形式my friends.例如:Is he a neighbour of yours? 他是你的一个邻居吗?Look at that big nose of his! 看他那大鼻子!(有贬义) “名词 + of + 名词性物主代词/名词的
2、所有格”是双重所有格结构。“双重所有格”是指既含有名词的所有格或名词性物主代词,又含有of 短语的一种表达所有关系的结构。例如He is a teacher of my sisters. 他是我妹妹的一位老师。(2)is coming 用的是现在进行时形式,表示将来将要发生的动作,意思是“将要来”。come,go,leave,arrive等表示位置移动的动词常用现在进行时表示将要发生的动作,它们很少与be going to结构连用。例:我明天就要动身去上海了。?,2、But theres nothing in the fridge.(P 30)Nothing 是不定代词,意为“没有什么”,表否
3、定含义。例如:-Whats in the room? -Nothing.3、Lets go to the supermarket.(P 30)Lets 是let us 的缩写形式。除了us以外,其他代词的宾格与let都没有缩写形式。Let sb. do sth. 意为“让某人做某事”,do 是省略to的动词不定式,作sb.的宾语补足语。其肯定回答一般为“OK.”“All right.”; 否定回答一般为“Sorry, I ”。lets与let us (1) lets是let us的缩写,包括说话人和听话人双方在内,含有催促、建议或请对方一起行动的意思。在听话人表示赞同建议时可只用lets。 -
4、 Lets go to Beijing by plane.我们乘飞机去北京吧。 - OK好的。,(2)当请求对方允许自己(第一人称复数)做某事时,要用let us,这里的us不包括听话方在内,不能缩写为lets。 Please let us remove the bookshelf for you.请让我们给你移动一下书架。例如:-Lets go home. -All right.-Lets go and see Uncle Wang!-OK.Let me look at it.,4、We only have five yuan, Eddie. (P 30) Only 此处用作副词,意为“只,
5、仅仅,才”。例如:Tom is only five years old.Only 还可用作形容词,意为“唯一的,独有的”,常与单数可数名词连用。当only 与复数可数名词连用时,意为“仅有的”。例如:Jack is Greens only son.5、Is it enough for a tin of dog food? (P 30) 1).enough adj.(形容词),“足够的”,可作表语;也可作定语,放在被修饰名词的前面和后面均可。 如:20元前就够了。Twenty yuan _ _.我们有足够的钱。We have enough money.= We have money enough
6、.2).enough adv.(副词) 修饰形容词和副词时只能放在被修饰词的后面且常与不定式连用。adj/adv+enough +to do sth.如:他到了上学的年龄了。He is _ _ _go to school. 她起得早能赶上早班车。She got up _ _ _catch the early bus.3)be enough for 意为“对于来说够了”a tin of “一听,一罐”。Its a tin of meat. 这是一罐肉罐头。Id like two tins of cola to drink. 我想要两听可乐喝。,6、Maybe we can order a piz
7、za 也许我们可以订购一个比萨饼(P 30) (1)maybe 副词,意为“大概,可能,或许”,与perhaps同义。Maybe we can invite them to have dinner with us.Maybe you are right.辨析:may be;(may是情态动词,be是连系动词。may be 意为“可能是”)辨析 maybe与may be (1) may be是由情态动词may和连系动词be构成的短语,may的意思是“也许,可能”,be的意思是“是”;may be的意思是“也许是”,后面跟形容词、介词短语、名词等作表语。It may be Marys book.
8、Maybe yours is in your bag.(2)order 及物动词,意为“订购,预订;叫或点(饭菜、饮料等)”Lets order some food. 让我们点餐吧。拓展:(1)order 及物动词,意为“命令”If you make any more noise Ill order you out of the room.(2)order 名词,意为“订单,订货”。This is an order for five hundred bags.(3)order 名词,意为“次序,顺序”。Please put them in the right order.,Welcome to
9、 the unit1、I enjoy Chinese food.(P 31)enjoy 及物动词,意为“享之乐,喜爱,喜欢”;后接名词、代词或动名词。enjoy是及物动词,意思是“喜欢,享受的乐趣”,常构成短语enjoy doing sth.,意为“喜欢做某事”。 I enjoy walking in the cool air.我喜欢在凉爽的空气中漫步。例如:Do you enjoy your school life? My elder brother enjoys helping others.拓展:enjoy oneself = have a good time = have fun 玩的
10、愉快Do you enjoy yourselves at weekends?,2、I love watching films. (P 31)Watch 及物动词,意为“看,观看”。例如:I watch TV every day.I want to watch the basketball game.拓展: 1. watch sb. do sth. 看见某人做过某事 watch sb. doing sth. 看见某人正在做某事例如:I often watch him dance in the park. I watched them playing football at six yesterd
11、ay afternoon. 2. watch 名词,意为“手表”。This is my watch.,1.Shall we take them to the cinema? 我们要把他们带去电影院吗?take sb. to . 把某人带到,其中to为介词,后面可直接跟地点,即:take sb. to sp.带某人去某地。但若接地点为地点副词(here, there, home等)时,要省略介词to。e.g: I want to take my little sister to the zoo on Saturday. 星期六我想带我的小妹妹去动物园。 Can you take me there
12、?你能把我带到那儿吗?拓展take sth. to . 表示“把某物带给”,后面可直接跟人,即:take sth. to sb.将某物带给某人。e.g: Lets take the food to my grandparents. 让我们把这些食物带给我的祖父母吧。,3,They can try some Chinese food他们可以试着吃一些中国菜。(1)用作名词,常构成短语have a try(试一试)。 Why not have a try? 为什么不试一试?(2)用作动词 后接名词或代词作宾语。 Please try this new way.请试一下这个新方法。 try on试穿
13、。 This pair of trousers is very nice. Please try them on. 这条裤子很好,请试穿一下。 try to do sth.竭力做某事;试图做某事。 Well try to finish the homework on time.我们将尽量按时完成作业。 try ones best to do sth.尽某人最大的努力做某事。 I will try my best to help you.我将尽我最大的努力帮助你。 try doing sth.试着做某事。 He is trying riding a bike.他在试着骑自行车。,Reading1
14、、There are lots of things to do in Sunshine Town. (P 32)“there is/are + 名词+ to do.” 意为“有可做”,其中动词不定式用来修饰它前面的名词,作后置定语,且两者之间存在逻辑上的动宾关系。注意 动词不定式作后置定语时该动词必须是及物动词,如是不及物动词须加上适当的介词但不能再接宾语,因为被它修饰的名词或代词即为它的逻辑宾语。 something to eat吃的东西 (eat为及物动词,但后面没有接宾语,因为something即为eat的逻辑宾语) a book to look for 一本要寻找的书 (look为不及
15、物动词,所以要加上介词for,但后面不能接宾语,因为a book即为look for的逻辑宾语)例如:There is some homework to do this weekend.这个周末有一些家庭作业要做。There are some things to buy in the town.镇里有许多要买的东西。我有一首歌要听。 I have a song_ _ _,注意:“There is/are+名词+to do.” 意为 “有.可做”,其中动词不定式用来修饰它前面的名词,作后置定语,且两者之间存在逻辑上的动宾关系。表示“即将要做” 例句:There is some homework
16、to do this weekend.这个周末有一些家庭作业要做。每年有大量游客参观长城。 _ _ _ _ _ _ the Great Wall in China every year. 每年有大量游客参观长城。【拓展】“There is/are +名词+v.-ing.”也是一个常用的句型,动词的-ing 形式作后置定语,前面的名词与后面的v-ing形式也是逻辑上的主谓关系。表示“正在发生或进行”有许多人在公园里玩。There are many people playing in the park.有一群孩子正在操场上踢足球。There_ _ _ _ _ _ football on the p
17、layground.,2、Would you like to stay in a quiet town?(P 32) 你想呆在一个安静的城镇里吗? Would you like.?的意思是“你想要愿意吗?”,其肯定回答为:Yes,please.Yes,Id love to.其否定回答为:No,thanks (No,thank you). /Id love to,but - Would you like some noodles? 你想吃面条吗? - Yes,please.No,thanks.想,请来点吧。不用,谢谢。 - Would you like to go shopping with u
18、s? 你愿意和我们一起去购物吗? - Yes, Id love to. /Id love to, but I have to look after my sick sister.愿意,我很乐意。我很乐意,但我得照看我生病的妹妹。 quiet 形容词,意为“安静的”,既可以作定语也可以作表语。与quiet词形相近的词是quite,意为“很,十分”。 The classroom is quite quiet. 教室里十分安静。例如:She is a quiet girl. 她是一个安静的女孩。quiet既可用来形容人,又可用来形容街道安静或海洋风平浪静等。quiet 用作形容词,修饰人等有生命物体
19、时表示“安静的”之意,修饰地方、时间、海洋大地时表示“寂静”之意固定短语有:keep/be quiet保持安静 a quiet place 一个安静的地方e.g: Be quiet, please! 请安静!,1、The air is fresh here. (P 32)(1)air名词,意为“空气,大气”,为不可数名词,单独使用时要与定冠词the连用。e.g: The air here is very clean. 这儿的空气非常干净。拓展类似air表示世界上独一无二的东西的单词有:the Earth地球the Sun太阳the Moon月亮(2)fresh 形容词,意为“新鲜的,清新的,凉
20、爽的”,在句中作定语或表语。fresh 用作形容词,意思是“新鲜的”。常指空气、水、水果、蔬菜、鱼、肉等“新鲜的”,也可以指人的思维、人的言行是“新鲜的”、不同凡响。例如:Fresh milk is good for children. 鲜奶对孩子们有益。,2.It takes only 40 minutes by underground. 乘地铁只需40分钟的时间。take在此意为“花费”,常构成句型“It takes sb. some time to do sth.”意为“做某事花某人一些时间”。 It takes me half an hour to read English every
21、 morning. 每天早晨读英语花我半小时的时间。 ( )It takes him an hour _the book. A. buying B. to buy C. to buying D. buy by underground的意思是“乘地铁”,类似短语有by bus/train/plane/bike等。 Do you usually go to work by underground? 你通常乘地铁去上班吗? 注意 by underground相当于on the/an underground,在句中作状语。作谓语时要用 take the/an underground。上句又可以表达为:
22、 Do you usually take the/an underground to work? 你们可以乘地铁去公园。 You can_ _ the park_ _.,4、Beijing duck is very famous. (P 32)famous 形容词,意为“著名的,有名的”,既可以作表语,也可以作定语。其同义词是well-known, 反义词是unknown.例如:Chinese silk is famous around the world. 中国丝绸世界闻名。【拓展】:1.be famous for “因而著名/出名”。New York is famous for its s
23、kyscrapers. 纽约因它的摩天大厦而闻名。 2.be famous as “作为而出名”。 Mo Yan is famous as a writer. 莫言作为一名作家而出名。,(1)当主语是表示人的名词时,be famous for表示“以某种知识、技能、作品或特征而出名”,be famous as 则表示“以某身份而出名”。试比较:Einstein was famous for his Theory of Relativity.爱因斯坦以他的相对论而著名。Einstein was famous as a great scientist.爱因斯坦以一位伟大的科学家而著称。(2)当主语
24、是地点名词时,be famous for 表示“以某种特点(产品)而出名”;be famous as 则表示“以什么样的产地而出名”。如:Scotland has many lakes and mountains, and is famous for its beautiful countryside.苏格兰有许多湖泊和山脉,并以其乡村美景著称。The area is famous as a green tea producing place.这个地区以绿茶产地而出名。(3)当主语是事物名词时,be famous for表示“以其内容、特征、价值等而被人所知”;be famous as 则表示
25、“以某种形式出名”。如:This grammar book is famous for its practical usage. 这本语法书以其实用性而被人所知。This book is famous as a reference book.这是一本有名的参考书。,5、If you do not like Chinese food, there are some Western restaurants too. (P 32)1. 这是一个复合句,句中含有一个if引导的条件状语从句。此时,if意为“如果,假如”。例如:If you come to this city, please call m
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