Grammar Focus(4a-4c).doc

Grammar Focus(4a-4c)动词的时态和语态复习【语法讲解】现在进行时现在进行时表示此时此刻或某一阶段正在进行的动作,常与now,these days 等时间状语连用。其构成形式为“am/is/are +现在分词”。used to 的用法“used to +动词原形”结构强调过去的习惯或状态,暗指现在不再这样了,它仅用于过去时。其否定形式为:didnt use to或used not to,其疑问形式为:Did.use to.?或Used.to.?现在完成时现在完成时表示一个动作已经完成,但它所产生的结果对目前仍有影响。它也可以表示一个动作发生在过去,但一直延续到现在。其构成形式为:have/has+done+其他。被动语态常用的被动语态结构有:(1)一般现在时的被动语态:主语+am/is/are +done+其他。(2)一般过去时的被动语态:主语+was/were+done+其他。(3)一般将来时的被动语态:主语+will/shall +be +done+其他或主语+am/is/are +going to be +done+其他。(4)含情态动词的被动语态:主语+can/may/must/should.+be +done+其他。情态动词情态动词表示说话人对某一动作或状态的态度,表示“可能”“应当”“必要”等。情态动词本身有一定的意义,但不能单独作谓语,也没有人称和数的变化。后面一般跟动词原形。【语法专练】 一、用所给单词的适当形式填空1.The boy is happy because he (sell) out all the newspapers.2.The plan (give) up because of the heavy rain yesterday.3.If it (not rain) tomorrow,we (go )fishing.4.She (not go) to bed until she (finish) her work yesterday.5.They (plant) trees on the hill.Can you see them? 二、单项选择6.The sun in the east.A.is always risingB.always is risingC.rises alwaysD.always rises7.Now he a book about New York.I dont think he will finish it.A.writesB.is writingC.has writtenD.wrote8.The railway in three years.A.is completeB.will completedC.has completedD.will be completed9.I this coat for very long.It still looks quite new.A.was havingB.have hadC.hadD.have been having10.May I go out now,Dad? No.You let your mother know first.A.canB.mayC.needD.must(参考时间:20分钟)A层基础一、用方框中所给词或短语的正确形式填空used to;turn off;instead of;afford;improve1.Tom,your father is asleep.Please the TV.2.The poor fisherman cant his childrens education.3.I think the government must develop laws to the environment.4.He helped with a Clean-Up Day going to see a movie last Sunday.5.She love cats but one attacked her and she doesnt like them anymore.二、单项选择6.Are you going to any of the events?Yes.Maybe long jump and high jump.A.take part inB.joinC.attendD.join in7.I cant afford him an expensive birthday present.A.to buyB.buyingC.for buyingD.buy8.Remember to the lights when you leave the classroom.OK.I will.A.turn onB.turn downC.turn upD.turn off9.The girl always has some money to snacks.A.spendB.pay forC.takeD.cost10.Look! boys are playing on the playground.Yes. them is about 200.A.The number of;A number ofB.The number of;The number ofC.A number of;The number ofD.A number of;A number of三、完成句子11.我们必须采取行动来阻止他们。We must to stop them.12.我从没听说过这个人。I have never such a man.13.我们乐意尽我们所能帮你摆脱困境。We are glad to do what we can do you .14.到目前为止,我已经交了二十个朋友。 ,I have made twenty friends.15.实际上,她从没去过那儿。 ,she has never been there.B层拔高四、阅读理解Waste can be seen everywhere in the school.Some students ask for more food than they can eatand others often forget to turn off the lights when they leave the classroom.They say they can afford these things.But I dont agree with them.Waste can bring a lot of problems.Although China is rich in some resources(资源),we are short of others,for example,fresh water.It is reported that we will have no coal or oil to use in 100 years.So if we go on wasting our resources,what can we use in the future and where can we move.Think about it.I think we should say no to the students who waste things every day.Everybody should stop wasting as soon as possible.In our everyday life,we can do many things to prevent waste from happening,for example,turn off the water taps when we finish washing,turn off the lights when we leave the classroom,try not to order more food than we need,and so on.Little by little,everything will be changed.Waste can be stopped one day,if we do our best.16.From the passage we know that some students often in the school.A.eat too muchB.dont work hardC.waste thingsD.throw rubbish everywhere17.Which is not mentioned in this passage?()A.Fresh water.B.Forest.C.Oil.D.Coal.18.What may happen in 100 years?()A.We may still have enough oil.B.We may still have enough coal.C.We dont know.D.We may have no coal or oil to use.19.Which of the following is right?()A.Waste brings problems.B.