1、Unit4Then and nowIntroducebe(是)-was,were become(变成)-became bring(带来)-broughtbuild(建筑)-built buy(买)-bought can(能)-couldcome(来)-came do(做)-did fly(飞)-flewgo(去)-went have(有)-had lose(丢失)-lostread(读)-read run(跑)-ran say(说)-saidsee(看见)-saw take(拿到)-took tell(讲述)-told动词过去式不规则变化总结:Words名词,表示“电话”。常用短语：use t
2、he telephone 使用电话 on the phone 在打电话eg：Why not just use the telephone?为什么不直接使用电话？小练习：（）te _ _ ph _ ne A.el;i B.le;o Btelephone/telfn/Words名词,表示“办公室”。常用短语：in the office 在办公室 near the office 在办公室旁边eg：There is a post office near the supermarket.在超市附近有个邮局。小练习：worked,in,he,office,the,yesterday._ He worked
3、 in the office yesterday.office/fs/Words名词,表示“手机、移动电话”。常用短语：a mobile phone 一部移动电话eg：There is something wrong with his mobile phone.他的手机出了点问题。小练习：现在几乎每个人都有一部电话。_ Now almost everyone has a mobile phone.mobile phoneExpressions ago指的是从现在起到过去时间的某一点的一段时间。Twenty years ago,she bought things from shops.20年前,
4、她从商店里买东西。eg：Five years ago，we visited Yunnan.五年以前,我们参观了云南。小练习:He wants _(bring)some English books to school.They _(see)many beautiful birds last week.broughtsawExpressions某段时间+ago表示前,一般过去时的常见的时间状语。Twenty years ago.20年前。eg:Little Tom was born five years ago.Now he is five years old.Little Tom五年前出生,现在
5、他五岁了。小练习:Liu Tao could read when he was young.(改为否定句)_ Now Mrs Green has a telephone.(对画线部分提问)_ Liu Tao couldnt read when he was young.What does Mrs Green have now?Dialogues Retelling the text!Expand(一)规则动词的过去式一般过去时的构成1.一般情况下,在动词原形后面加-ed。look looked play played start started visit visited2.以不发音e结尾的动
6、词,在词尾直接加-d。live lived use usedExpand(一)规则动词的过去式一般过去时的构成3.以“辅音字母+y”结尾的动词,先将 y 改为i,再加 ed。study studied try tried fly flied4.以重读闭音节（即辅音元音辅音）或r音节结尾,末尾只有一个辅音字母的动词,要先双写这个辅音字母后,再加 ed。stop stopped plan planned prefer preferredExpand(二)不规则动词的过去式一般过去时的构成1.改变动词中的元音begin began drink drank know knew2.变词尾的d 为tbui
7、ld built lend lent send sentExpand(二)不规则动词的过去式一般过去时的构成3.与动词原形一样cut cut put put cost cost 4.变-ay 为-aid(少数动词)say said pay paid lay laidExpand(二)不规则动词的过去式一般过去时的构成5.采用不同词根:sell sold teach taught buy bought6.其他am/is was are were have/has had Summarytelephone office mobile phoneagoExercise1.-Did you like
8、the film?-_.A.Yes,it was interesting.B.Yes,I was.C.No,I dont.2._ there _ trees on the farm now?A.Were,any B.Are,some C.Are,anyAAExercise3.There _ a mobile phone on the desk.A.are B.were C.was 4.Do you like _ piano?A.play B.playing C.playing theCCExercise5.Yang Ling and his friend _ to music last week.A.didnt listened B.didnt listen C.doesnt listen6.I often _ flowers in the morning.A.waters B.water C.wateredBAHomeworkWrite a passage titled“years ago”.
