九年级英语全册 Unit 13 We're trying to save the earth（第3课时）Section A（Grammar Focus-4c）同步语法精讲精练课件 （新版）人教新目标版

第三课时Section A(Grammar Focus4c)单元同步语法精讲精练Unit 13Were trying to save the earth! 六大常考时态的主动语态构成一般现在时主语动词原形/第三人称单数其他一般过去时主语动词过去式其他现在进行时主语be动词动词ing其他过去进行时主语was/were动词ing其他一般将来时主语will/be going to动词原形其他现在完成时主语have/has动词过去分词其他 六大常考时态的被动语态构成时态被动语态谓语构成一般现在时am/is/are动词过去分词一般过去时was/were动词过去分词现在进行时am/is/arebeing动词过去分词过去进行时was/werebeing动词过去分词现在完成时have/hasbeen动词过去分词一般将来时will/shallbe动词过去分词 *含情态动词的被动语态谓语构成为：情态动词be动词过去分词注意问题主动语态中有些动词，如：make，see，listen，watch，feel后常跟不带to的动词不定式作宾语补足语，变为被动语态要带上to。如：He made the boy work for him.The boy was made to work for him.那个男孩被迫为他工作。动词短语变为被动语态时，动词短语后面的介词或副词不能省略。如：The baby was looked after by her sister.这婴儿由她的姐姐照顾。 may(might)用来征求对方意见，意为“可以”。口语性较强。might可以指过去时间；也可指现在时间，语气更委婉。表猜测和对可能性的判断，意为“可能；也许”。might可以指过去时间；也可指现在时间，但语气更加不肯定。must表说话人的主观意愿，意为“必须，应该”。无时态变化。其否定答语常用neednt或dont have to，意为“不必”。注：have to意为“不得不；必须”，主要强调受到外界客观因素的迫使。它可用于多种时态，且有人称和数的变化。must本身的否定形式mustnt意为“不许；一定不要”，表示禁止和告诫。 表示对事物的推测，意为“想必；一定”，只用于肯定句。且比may的语气要肯定得多。would作情态动词时，无人称限制，表意愿，常与like，love连用。should表义务，意为“应该”(某件事宜于做)，用于各种人称。表推测，意为“想必一定、照说应该、估计”等。 一、根据句意，用括号中所给单词的适当形式填空。1Mary (criticize) by her teacher yesterday.2The sky is (cover) with grey clouds.3It is said that a new space station (build) on the moon.How amazing！But it may take a long time，I guess.4Miss Brown，we (finish) cleaning our classroom.Can we go home now?5Were proud that the China (become) stronger and stronger these years.was criticizedcovered will be builthave finishedis becoming 6I (shop) with my parents when he rang me up yesterday afternoon.7Stop smoking，Joe！You (kill) yourself if you keep on doing it like that.8We (tell) to set out at once，or we will miss the train.9You used (go) to school by bike，didnt you?10As middle school students，we shouldnt (be) afraid of difficulties if we want to make our dreams come true.was shopping may/will killare toldto go be 二、单项选择。11Who is that lady?Shes Miss Green.She us music，and she is so good.(2016，武汉)Ataught BteachesCwill teach Dis teaching12Last week Vivian a dress for her mother with her firstmonth salary.(2016，上海)AbuyBbought Cwill buyDwould buy13When the baby dog ，it was very hungry.So we gave it some food.(2016，安徽)Ais found Bwas found Chas been found Dwill be foundBBB 14I think it is true that Jill to work today because she is on a trip.(2016，沈阳)Ahas come Bdidnt comeCis coming Dwill not come15Please dont make so much noise.The baby now.(2016，北京)Asleeps BsleptCwill sleep Dis sleeping16May I speak to Mrs. Black?Sorry，Mum cant come to the phone now.She a shower.(2016，江西)Ahas Bhad Cis having Dwas having D DC 17Grandpa glasses when he reads.(2016，河北)Awears BworeChas worn Dwas wearing18My sister with my parents dumplings when I got home yesterday evening.(2016，兰州)Aare making Bis makingCwas making Dwere making19What a nice watch！How long you it?For just two weeks.(2016，天津)Awill；buy Bhave；hadCwere；having Ddid；buyA C B 20I the History Museum twice.Ive learned a lot there.(2016，重庆)Avisit Bam visitingChave visited Dwill visit21We are going to take the highspeed train to Xian tomorrow，so an early arrival at the station (2016，河南)Aadvises Bis advisedCis advising Dwas advised22Football to our school subjects last year.(2016，陕西)Ais added Badds Cwas addedDaddedC BC 23Many people play with mobile phones all day instead of reading books.Thats too bad.Everyone be a book lover.Reading is more enjoyable.(2016，山西)Amay Bshould Cwould24Rock music sound popular with the young，but its not the favor of the aged people.(2016，泰安)Amust Bneed Cshould Dmay25After dinner，he used to computer games，but now he gets used to .(2016，齐齐哈尔)Aplay；walk Bplaying；walkingCplay；walking BD C 本课时其他知识点精讲精练afford动词，意为“买得起；承担得起(后果)”，其后直接接名词、代词或动词不定式作宾语，常与情态动词can，could或be able to 连用。eg：The poor parents cant afford to buy some new clothes.这对贫穷的父母买不起新衣服。重点词组归纳take part in参加turn off关掉pay for付费；付出代价take action采取行动 1I dont have enough money to (为付费) these books.2Be sure to (关掉) the lights when you go out.3The government (采取行动) to help the people in the train accident.4Lily doesnt (参加) any of the afterclass activities.5They walked home last night because they couldnt to take a taxi.(2015，重庆)AleaveBbuyCaffordDallowpay forturn offtook actiontake part in C