1、Unit 1 Past and present第3课时Grammar1. use the present perfect tense to make positive statements;2. use the present perfect tense to make negative statements;3. use the present perfect tense to ask and answer questions;4. form the past participles of regular and irregular verbs. 经典短语默写1._完成他们的家庭作业2._参
2、观中国3._修理超过十辆自行车4._自从周一以来5._互相见面6._长达数年7._回来8._教我们很多有关中国的历史9._看一些电影10._上周六11._关于在北京的变化12._在上个世纪期间13._了解更多北京的过去和现在14._听说15._打算再看一遍重难句型过关1.这本书我已经读过许多遍了。I _ _ _ this book many times. 2.他们已经完成了家庭作业。They _ _ their homework already. 3.约翰从未到访过中国John _ _ _ China.。4.自星期一以来李先生已经修理了10多辆自行车。Mr Li _ _ over ten bi
3、cycles _ Monday. 5.我父母还没有回来。My parents _ _ _ _. 6.哦,我想我听说过这部电影Oh, I _ I _ _ about the film. 。7.你打算再看一遍吗?Do you _ _ _ it _? 现在完成时基本结构:肯定句:主语+have/has+动词的过去分词+宾语.Eg:1.He has already had his lunch. 2.I have just finished my homework.否定句:主语+have/has+not+动词的过去分词)+宾语.Eg:1.I have not seen the movie yet. 2.
4、 She hasnt eaten it.一般疑问句:Have/Has+主语+动词的过去分词+宾语.Eg:1.Have you finished the work? 2.Has she arrived here? 3.Have they eaten supper?特殊疑问句:特殊疑问词或词组+一般疑问句(have/has+主语+过去分词(V-ed)+其他)Eg:1.Where have you been? 你去哪儿了?2.How many times have you been to Beijing? 你到过北京多少次?3.Who has taken my book? 谁拿走了我的书?4.Why
5、 have you not written to me? 你为什么没给我写信?5.When have you finished your work? 你什么时候完成工作的?现在完成时用法1. 现在完成时用来表示过去发生或已经完成的动作对现在造成影响或后果。可以理解为:I have already posted the photo. 我已经把照片寄走了。强调post对现在的影响照片不在这里。2. 现在完成时可以用来表示发生在过去某一时刻的、持续到现在的动作(用行为动词表示)或状态(be动词表示),常与for(+时间段),since(+时间点或过去时的句子)连用,谓语动词必须是延续性动词。如:He
6、 has lived here since 1978.自从1978年以来,他一直住在这儿。(动作起始于1978年,一直住到现在,可能还要继续住下去。)三、规则动词过去式的变化方法情况构成方法例词一般情况加-edwashwashed helphelped以不发音的字母e结尾加-dhopehoped likeliked以辅音字母 + y结尾变y为i,再加-edcarrycarried studystudied结尾只有一个辅音字母的重读闭音节双写末尾的辅音字母,再加-edstopstopped planplanned四、不规则动词的变化有些规律,更多靠硬记,平时多注意积累。不规则动词变化规律表见文末
7、附录(含过去分词)一、单项选择1-How clean the bedroom is!-Yes, I am sure that someone _ it.AcleansBcleanedChas cleanedDis cleaning2-When _ Jessie _ to New York?-Yesterday.Adoes, getBdid, getChas, gotDis, getting3I havent heard of my best friend _. I dont know what has happened to her.AalreadyBeverCrecentlyDnever4-
8、Hi. I _ you for a long time.-I _ in Beijing. Ive just come back.Adidnt see, amBhavent seen, shall beCdidnt see, will beDhavent seen, was5-Is it the most wonderful football game you have _ watched?-Yes, I have _ watched such a wonderful game before.Aever; neverByet; everCalready; yetDever; yet6 my gl
9、asses?Yes, I saw them on your bed a minute ago.ADo you seeBHad you seeCWould you seeDHave you seen7How long David and Vicky married?For about four years.Awere; beingBhave; gotChave; beenDdid; get8I wonder why Jenny us recently. We should have heard from her by now.Ahasnt writtenBdoesnt writeCwont wr
10、iteDhadnt written9The coffee is wonderful! It doesnt taste like anything I _ before.Awas havingBhaveChave ever hadDhad ever had10Danny _ hard for long to realize his dream and now he is popular.AworksBis workingChas workedDworked11I have got a headache.No wonder. You _ in front of that computer too
11、long.AworkBare workingChave been workingDworked12Have you known Dr. Jackson for a long time?Yes, since she _ the Chinese Society.Ahas joinedBjoinsChad joinedDjoined13So far this year we _ a fall in house prices by between 5 and 10 percent.AsawBseeChad seenDhave seen14Up to now, the program _ thousan
12、ds of children who would otherwise have died.Awould saveBsavesChad savedDhas saved15He told me he would be here at 2 oclock. But he _ yet.Adidnt arriveBisnt arrivingChasnt arrivedDwont arrive16I _ the book yet.Ahavent readBhadnt readCdont readDam not reading17Have the school _ the right person to at
13、tend the meeting yet?AchooseBchoosenCchoseDchosen18The writer _ two books recently.AwriteBwroteChas writtenDwritten19Thanks to the use of 5G technology, ways of communication _ a lot.AimprovesBhas improvedChave improvedDimproved20What a nice bike! How long _ you _ it?Just five weeks.Ahave; boughtBdi
14、d; buyCdo; haveDhave; had21Not only he but also I _ the movie before.AseeBseesChave seenDhas seen22_ your uncle _ the Great Wall?Yes, he has.ADid; visitBHas; visitedCDoes; visitDWill; visit23Mr. Li _ four books, and all of them are bestsellers.Ahas writtenBwill writeCis writingDwrites24Are you going
15、 anywhere for a holiday this winter?Yes, I_ a plan already.AmakeBwill makeChave madeDam making25People _ for the lost boy for two days. His parents are worried.AsearchBwill searchChave searchedDwere searching26Look at the young teacher, she _ English for ten years.AteachesBis teachingChas taughtDtau
16、ght27In the past few years, Dr. Sun _ great success in the field of science.Ahas achievedBachievedChad achievedDachieves28How long _ you _ these books?For a month.Ado; keepBdid; keepCwill; borrowDhave; kept29Hi! Alice! Where is Helen? She _ to the supermarket. Shell be back in an hour.AwentBhas gone
17、Chas been30Oh, Mr Black is still in Shanghai. How long do you know he _ there?AstayedBhas stayedCstayDwas staying31The weather is changeable these days. It rainy and cloudy in the past few days. I hope that tomorrow will be a sunny day.Awill beBisChas beenDwas32Yesterday he _ me he would come early.
18、 But so far, he _.Atold; didnt turn upBhas told; hasnt turned upChas told; didnt turn upDtold; hasnt turned up33Hurry up! we _ our project yet.Adont finishBhavent finishedChave finishedDwont finish二、单词拼写用括号中所给动词的适当形式填空34- you (find) your Math book yet?-Yes. I (find) it behind the building an hour ag
19、o.35They (not visit) her for a long time.36-How many times you (see) the film? -Not even once. But I (see) it sometime next week.37The young man (plant) 400 trees in the past three years.38 Millie (speak) to a foreigner before?39Mr. Brown already (come) back from England.40Great changes (take)place
20、in those villages in the past ten years.41How many times you (phone)me these days? you (phone)me this morning?42Tom cant get into the room because he (lose)the key to the door.43I (look)for the dictionary, but I (find not)it yet.附录:中考英语不规则动词变化规律一、AAA型(原形原形原形)原形过去式过去分词中文costcostcost花费cutcutcut切, 割hit
21、hithit撞, 击hurthurthurt伤害letletlet让putputput放readreadread读setsetset安排shutshutshut关闭spreadspreadspread传播 二、ABA型(原形过去式原形)原形过去式过去分词中文becomebecamebecome成为comecamecome来runranrun跑三、ABC型1. 原形ewown原形过去式过去分词中文blowblewblown吹flyflewflown飞growgrewgrown生长knowknewknown知道throwthrewthrown扔2. iau原形过去式过去分词中文beginbegan
22、begun开始drinkdrankdrunk喝ringrangrung打电话singsangsung唱swimswamswum游泳3. 原形过去式过去式+(e)n原形过去式过去分词中文breakbrokebroken损坏choosechosechosen选择forgetforgotforgotten忘记speakspokespoken说stealstolestolen偷窃wakewokewoken醒来4. 原形过去式原形+(e)n原形过去式过去分词中文drawdrewdrawn画drivedrovedriven开车eatateeaten吃fallfellfallen落下givegavegive
23、n给mistakemistookmistaken弄错riseroserisen升起seesawseen看见shakeshookshaken摇晃showshowedshown展示taketooktaken拿5. 无规律原形过去式过去分词中文am/iswasbeen是arewerebeen是bearboreborn忍受do/doesdiddone做gowentgone去hidehidhidden躲藏rideroderidden骑wearworeworn穿writewrotewritten写 四、ABB型1. 原形oughtought原形过去式过去分词中文bringbroughtbrought带来b
24、uyboughtbought买fightfoughtfought打架thinkthoughtthought思考2. 原形aughtaught原形过去式过去分词中文catchcaughtcaught捉, 抓teachtaughttaught教3. 原形tt原形过去式过去分词中文dealdealtdealt处理feelfeltfelt感到keepkeptkept保持leaveleftleft离开meanmeantmeant意思是sleepsleptslept睡觉4. 原级idid原形过去式过去分词中文laylaidlaid放 paypaidpaid付钱saysaidsaid说5. 变其中一个辅音字
25、母原形过去式过去分词中文buildbuiltbuilt建造hearheardheard听见lendlentlent借出makemademade制造sendsentsent发送, 邮寄spendspentspent花费6. 辅音字母和元音字母都变原形过去式过去分词中文havehadhad有sellsoldsold卖standstoodstood站telltoldtold告诉7. 变其中一个元音字母原形过去式过去分词中文digdugdug挖feedfedfed喂findfoundfound发现getgotgot得到holdheldheld拥有, 握hanghunghung悬挂leadledled领
26、导loselostlost丢失meetmetmet遇见shineshoneshone照耀sitsatsat坐speedspedsped加速stickstuckstuck粘winwonwon赢五、AAB型(原形原形过去分词)原形过去式过去分词中文beatbeatbeaten打败六、有两种形式原形过去式过去分词中文burnburnedburned烧burntburntdreamdreameddreamed做梦dreamtdreamtlearnlearnedlearned学learntlearntlieliedlied说谎laylain躺, 放平lightlightedlighted点燃litlitsmellsmelledsmelled闻smeltsmeltspellspelledspelled拼写speltspelt