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1、(九)动词的时态和语态 一、一般、进行、完成的含义,二、一般过去时和现在完成时的区别 比较下面几组句子，体会两种时态的不同：,三、一般过去时和过去完成时的用法区别 1.一般过去时是对现在说话时刻而言的，过去完成时则是对过去 某一时刻而言。两种时态建立的时间参照点不同，对过去完成 时来说，这一个时间参照点十分重要，它是过去完成概念赖以 建立的基础，也是和一般过去时相区别的重要标准。 2.过去完成时的时间状语常用by和before引导的短语表示，如by that time，by the end of，before 2000，by the time句子等。 四、过去完成时与现在完成时的用法区别 比较
2、下面的说法，体会两种时态的不同：,五、动词时态的一些典型用法 1.在条件状语从句、时间状语从句、让步状语从句中，如果主句 是将来时或主句是祈使句，从句中要用一般现在时代替一般将 来时。 Ill not go unless Im invited. Tell him the news as soon as he comes. 2.“used to/would动词原形”可以表示过去经常或习惯性的动作。 Often at night she would hear a long low whistle and the sound of a metallic noise. 3.“be to do”表示拟定
3、或计划中将发生的行为或按职责义务必须 去做的事情；“be about to do”表示即将发生的事，句中一般不 使用时间状语。 All the questions are to be answered at once. No one is to leave the room without permission.,4.一般过去时，往往表示“刚才，刚刚”之意，暗示现在已“不再这 样”。 I didnt know you were here.我不知道你在这里。 I never thought he would do that.我从没想到他会做出这样的事。 5.表示愿望、打算一类的词，如：hope，
4、expect，mean，intend， want，think，suppose，want等，其过去完成时表示过去未曾实 现的愿望或意图。 I had hoped to see more of Shanghai. 我本希望在上海多看看。(但未能如愿) I had meant to help you，but I was too busy at the moment. 我本想去帮你的，但当时确实太忙了。,6.某些固定句式中的动词时态。 (1)This/It is the first/second.timethat从句。that从句一般用现 在完成时，如果把前边的is改为was，则that从句用过去完成
5、时。 This is the first time I have come here. It was the third time(that)he had made the same mistake. (2)It is/has been一段时间since 从句。since从句中一般用过 去时，如果将前边的is改为was，则since从句中用过去完成时。 It was ten years since we had had such a wonderful time. (3)be about to do.when.意为“即将(这时)突然”。 I was about to go out when t
6、he telephone rang.,(4)be(was/were)doing.when.意为“正在干(这时)突然”。 They were reading when Tom shouted in pain. (5)Hardly had.done.when.；No sooner had.done.than.意为 “刚就”。 Hardly(No sooner)had_I_got home when(than)the rain poured down. (6)Itbe一段时间before从句 如果主句用将来时，则从句用一般现在时表将来，意为多长时间 以后即将发生某事；如果主句用过去时，从句也用过去时
7、，意为 多长时间后发生了某事。 It wont be long before he succeeds. It was ten years before they met again.,六、短语动词和含有情态动词的被动语态 The doctor has been sent for.已经派人请大夫去了。 Time must be made good use of.时间一定要充分利用。 Bad habits have been done away with. 坏习惯已经改掉了。 七、get过去分词可以表示被动，此结构比较口语化 The patient got treated once a week.
8、 那位病人一周得到一次治疗。 八、主动形式表被动意义 1.系动词look，sound，feel，smell，taste，prove，appear形容 词/名词构成的系表结构。 The steel feels cold. His plan proved(to be)practical.,2.表示开始、结束、运动的动词。如begin，finish，start，open， close，stop，end，shut，run，move等。 Work began at 7 oclock this morning. The shop closes at 6 p.m.every day. 3.表示主语的某种属性
9、特征的动词。如read，write，act，sell， wash，clean，wear，open，cook，lock，shut，dry，eat， drink。这类动词一般不单独使用，常有一个修饰语。 This coat dries easily.这种外衣容易干。 Your speech reads well.你的演说讲得好。 Your pen writes smoothly.你的笔好写。,4.少数动词用于进行时，其主动形式表示被动含义。如print， build，cook，fry，hang，build，make。 The books are printing.这本书正在排印中。 The mea
10、t is cooking.在煮肉。 5.不能用于被动语态的及物动词或动词短语：fit，have，wish， cost，agree with，arrive at/in，shake hands with，succeed in， suffer from，happen to，take part in，walk into，belong to等。 如： This key just fits the lock. Your story agrees with what has already been heard.,6.介词in，on，under等名词构成介词短语表被动意义。如： under control受
11、控制 under treatment在治疗中 under repair在修理中 under discussion在讨论中 under construction在施工中 beyond belief令人难以置信 beyond ones reach鞭长莫及 beyond ones control无法控制 for rent出租 in print 在印刷中,in sight 在视野范围内 on sale出售 on show 展出 on trial受审 out of control控制不了 out of sight 超出视线之外 out of ones reach够不着 The building is u
12、nder construction. His honest character is beyond all praise. Today some treasures are on show in the museum.,过关落实 1.The flowers were so lovely that they _ in no time. A.sold B.had been sold C.were sold D.would sell 解析：由“时态一致”原则可知，应该使用一般过去时态，又因 “花”和“卖”之间是被动关系，故用被动语态。 答案：C 2.Is there anything wrong，B
13、ob? You look sad. Oh，nothing much.In fact，I _ of my friends back home. A.have just thought B.was just thinking C.would just think D.will just be thinking 解析：说话人说刚才在思念家乡的朋友，故用过去进行时。 答案：B,3.Tom，you didnt come to the party last night? I _，but I suddenly remembered I had homework to do. A.had to B.didnt
14、 C.was going to D.wouldnt 解析：was going to表示本打算做某事，而实际上没做。 答案：C 4.Did you see a man in black pants pass by just now? No，sir.I _ a newspaper. A.read B.was reading C.would read D.am reading 解析：句意为“没看见，先生。我刚才正在读报纸。”，故用过 去进行时。 答案：B,5._ you _ him around the museum yet? Yes.We had a great time there. A.Hav
15、e；shown B.Do；show C.Had；shown D.Did；show 解析：用现在完成时询问已经发生的事情，语气委婉，用一般 过去时回答对方的询问，显得简明。 答案：A 6.I have got a headache. No wonder.You _ in front of that computer too long. A.work B.are working C.have been working D.worked 解析：现在完成进行时表示动作一直在持续。 答案：C,7.It was really very kind of you to give me a lift home. Oh，dont mention it.I _ past your house anyway. A.was coming B.will come C.had come D.have come 解析：由句意可知在谈论过去的事，故排除B、D，而C表示“你 搭车前我已经从你家门口路过了”，不符合题意。 答案：A 8.If Newton lived today，he would be surprised by what _ in
