牛津译林版八下Unit1知识要点复习与解析复习课件PPT

这是一份牛津译林版八下Unit1知识要点复习与解析复习课件PPT，共23页。PPT课件主要包含了contents，Grammar，Exercises，邮票是用来寄信的， past， Present，形容词 adj，现在他正在洗衣服， 经历等内容，欢迎下载使用。

Languages pints
Imprtant sentence structures
1. Yu used t share fd with me!你过去常和我分享食物！
used t d sth 过去常常做某事（现在不做了）；
be used t ding sth 习惯于做某事
be used t d sth. ＝ be used fr ding sth是被动语态结构，意为“被用来做某事”；
其中t为介词，后接名词、代词或动名词。如
我过去常打网球，但现在不常打了。
I used t play tennis but I dn't play it very ften nw.
我习惯于坐公交车去学校。
I am used t ging t schl by bus.
Stamps are used t pst letters.＝ Stamps are used fr psting letters.
2. When I gt married in 1965, my wife and I mved tw blcks away and we've lived in this area since then.当我1965年结婚时，我和妻子搬到两个街区以外，从那以后一直住在这个地区。
marry sb.嫁给／娶某人；get married结婚（动作）be married t sb.与某人结婚（状态）；get married t sb. 与某人结婚（动作）。如：
They married their daughter t an ld rich man.他们把女儿嫁给了一位年老的富人。
This cuple have been married fr 50 years.这对夫妇结婚已有50年了。
3.Anyway, it's gd t see the amazing changes in the twn.不管怎样，看到小镇这些令人吃惊的变化还是很好的。
It's+adj. (easy，imprtant，bad，nice…)+ (fr sb.) t d sth是英语中应用非常广泛的一个句型，意为“（对某人来说）做某事是（容易的，重要的，坏的，好的……）”。
其中it是形式主语，无实际意义，真正的主语是后面的动词不定式t d sth。如：
掌握一门外语对我们来说很重要。
It is imprtant fr us t master a freign language.
Language pints
past作名词，意为“过去”，其还可作介词和形容词，可用于如下情况
in the past（n．）在过去；half past(prep.)five 5点半；in the past(adj.)three years在过去的3年里。
When he walks past ur desks, he always kncks ur bks and pens ff the desks.当他走过我们课桌的时候，他总是把我们的书本和钢笔从课桌上碰掉下来。
这个男孩过去是在他父亲的帮助下完成作业的。
The by finished his hmewrk with the help f his father in the past.
present作名词n.，意为“现在，目前”。
At present＝at the mment＝right nw目前；
yur present jb你目前的工作
名词n.，还可表示“礼物”
a birthday present 1份生日礼物。
He is washing his clthes at present.
3.nrthern adj
方位词：nrth-nrthern; west-western; suth-suthern; east-eastern。
如：在中国北部in the nrth f China ＝ in the nrthern part f China
East China华东；Nrth China华北
城北过去人口稀少，但现在成了文化中心。
The nrthern part f the city used t be sparsely ppulated, but has nw becme a cultural centre.
4.pllutin un．
常见短语air pllutin空气污染；nise pllutin噪音污染；light pllutin光污染。如：
我几乎不能相信她靠自己制作了一份有关水污染的录像。
I culd hardly believe she had made a vide abut water pllutin by herself.
pllute作动词，意为“污染”
pllute the air 污染空气
be plluted 被污染了
5．interview n．& vt．
interview作名词，意为“采访，会见”，还可作动词，意为“采访，面试”；interviewer作名词，意为“采访者，面试官”。如：
interview sb．＝ have an interview with sb.采访某人
萨莉在求职面试后成为了这家公司的一员。
Sally became a member f the cmpany after the jb interview.
昨天下午我采访了张先生。
I interviewed Mr Zhang yesterday afternn＝I had an interview with Mr Zhang yesterday afternn.
6.return v.
return作“返回”讲时是不及物动词，相当于cme/get back: 作“归还”讲时是及物动词，相当于give back。
return t sme place回到某处；return sth t sb. ＝give sth．back t sb.把某物还给某人。return本身含有back的意思，不能再和back连用。如：
他借了我的手机，还没还给我。正：He brrwed my mbile phne and hasn't returned it t me.误：He brrwed my mbile phne and hasn't returned it back t me.
grammarpresent perfect tense
present perfect tense
基本结构为：助动词have/has+动词的过去分词 have dne sth
1).表示从过去开始并持续到现在的行为、动作或情况。常与fr或since引导的时间状语连用。
fr表示一段时间，后接时间段
fr three days
since表示“自从”，prep. 后接时间点或者时间段 ag
since 9 am
since last Sunday
since表示“自从”，cnj. 后接从句（一般过去式）
I have lived here since I was brn.
We have knwn each ther since last term.
They gt married. They have been married since 20 years ag/ fr 20 years.
常与s far(迄今为止)，in the past several years(在过去几年里)，ever since（迄今），in/during/ver the past/last few years(在过去几年里)这类从过去到现在的时间状语连用。在此类句子中，谓语动词要用持续性动词，而不能是短暂性动词。如：
在过去的十年里，孩子们就已经离开了家。
The children have been away frm hme in the past 10 years .(不用left)
2).表示过去发生的行为、动作或情况对现在造成的影响或结果。
时间副词常用just(刚刚)，already（已经），still(仍然)，recently（最近），yet（还、尚），其中just，already用于肯定句；yet常用于疑问句或否定句；still，recently可用于肯定句、否定句或疑问句。
我已经写了一篇文章了。
I have already written an article.
我还没收到我叔叔的信。
Has she ridden t schl recently ？
她最近骑自行车上学吗？
I haven't gt the letter frm my uncle yet.
1.ever，never常用于疑问句或否定句
2. 次数 nce twice three
Have yu ever been t Hng Kng？
她从来没看过如此精彩的电影。
ever，never， befre
befre疑问句或者肯定句或者否定句
She has never seen/watched such a wnderful film befre.
I have been t Hng Kng twice.
1.It is/has been+时间段+since从句”
It is /has been three years since I bught this dictinary.
自从我买了这本字典已经三年了。
2.时间段+has passed +since 从句
Three years has passed since I bught this dictinary.
3.This is +最高级+ 从句（现在完成时态）（ever)
这个是她看过的最有趣的杂志。
This is the mst interesting magazine she has ever read.
这是我第二次我访问了这个美丽的博物馆。
4.It is +第几次+ 从句（现在完成时态）
It is my secnd time I have visited this beautiful museum.
5．具体的几组时间短语辨析 ag用于一般过去时（用瞬间动词）； since．．．ag用于现在完成时； in the past用于一般过去时； in the past few years用于现在完成时； just nw(置于句末)用于一般过去时； just(置于句中)用于现在完成时。如：
I bught this dictinary three years ag.＝I have had this dictinary fr three years.＝I have had this dictinary since three years ag.
一、单项选择( )1. -Can yu find ur city _______ a lt in recent years? -Yes. The rad is wider and the buildings are taller. A．has changed B changes C changed D．will change( )2. I'm nt hungry because I have_______ had lunch A ever B never C．just D．still( )3. He came back late, s his father was very angry.（选出与画线部分意思相同或相近的一项） A arrived B gave back C returned D．reached( )4. She used t _______ a bus t schl, but nw she is used t _______ t schl. A taking; walk B take; walk C taking; walking D. take; walking( )5. She _______ fr ten years and nw she has a lvely daughter. A. married B has been married C. gt married D. has gt married