八年级英语下学期8b-unit2-grammar牛津英语-完整版.pdf

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1、北京华雄注压http:/www.剧，cxj.。”Wh1 en dlo we usewas/were+doing?We use the past continuous tense to talk about things that were happening for some time in the past.We use was+doingwith the prons I,he,she and it.We us,e were+doingwith th1 e prons you,we and they.I.定义：表示过去某时正在进行的动作或存在的状态。2.构成形式：肯定式：主w1 er1 e/

2、was 现在分词CV二ing)否定式：主w1 er1 en t/wasnt现在分词疑问式：Were研as主现在分词？肯定回答：Yes，主were/was.否定回答：No，主w1 erent/wasnt.e.g.They were/Hi e was having dinn1 er at that tin1e.（否）They w1 eren t/He wasnt having dinner at that tin11e.（疑），吼1er1ethey闹ash1 e having dinner at that tin1e?（回答），rYes,they w1 er1 e/No,they wer1 ent

3、/he wasnt.一、现在分词，（V-ing）的构成：l.一般的动词直接ing:reading,working,watering 2.以不发音的巳结尾的词，去e+ing:having,taking 3.以ie结尾的词，把ie改为y+ing:lie-ly吨，die-dying4.以重读闭音节一个元音一个辅音结尾的词，双写末尾的辅音字母ing:putting,cutting,running 二、过去进行时的基本用法：l.表过去某一时刻正在进行的动作。e.g.What was she writing at 8 oclock yest,erday?Wh,en I saw hin1,h,e was p

4、u忧ingup a n,ew pie阳reon th,e wall.2.表过去某一段时间内正在进行的动作。,e.g.咀1eyw町chaving class,es all th,e n1orning.During the sumn1er of 20015,she was traveling in Europ,e.三、过去进行时的时间状语：1.过去某一时刻：at.oclock yesterday morning,at this titne y,est,erday,.a t that titne e.g.I was going shopping at this time yest,erday.2.过

5、去某一段时间：th1ewhole night,all that niorning,those days,froni.to.yest1 erday,during.e.g.Mr Wang was writing a nov1el，（小说）those days.3.when或while引导的时间状语从句：e.g.Wh,en Lily saw h,er,.she was painting a picture.Whil,e w,e wer,e reading,.th,e t1 eacher can1e in.注意：一般过去时表示动作己经发生或己经完成oe.g.I wrot1 e to my mother

6、 last night.二xercises1.Wewere visitina(visit)Nanjing Road from nine t,o eleven.2.I saw an English girl.She was choosing(choose)some to,ys when I saw her.3.I said hello to her.But she was talking(talk)to the sho,pkeeper and d1dnt hear(no,t hearJ me.4.While the girl was lookina(look)fo,r more s,ouveni

7、rs,her motherwas readina(read)and her father was taking(take)some photos.5.At last,the girl chose(choose)an electrical dog.6.When the girl and her motherwere walking”walk)towards the doo,r,the shopkeeper stopped(stop)them.The girl foraot(forget、to pay for what she had chosen.7.I said hell,o t,o her when she was巾的，out.So1 01 n we were talking,8.We talked and talked.I didot kno1 w my mo1ther was looking Qoo,k)fo,r me.She couldnt 1can not)find me.She thought I was followina foll,ow)her all the time.