1、表示现在的愿望:主语+过去时;表示过去的愿望:主语+had done;表示将来的愿望:主语+would/could do How I wish we students had more free time to relax ourselves! 我们学生多么希望有更多的自由时间放松自己!I failed in the maths exam. How I wish I hadnt wasted so much time playing!What a pity you cant go to the party. How I wish I could dance with you at the pa
2、rty!句型4 Its high/about time that somebody did (should do) (should通常不省略) 早就该 Its time that you went to school.= Its time that you should go to school. Its high time that we did something to improve our environment. 该是我们为环保做些事情了。I think its high time that she made up her mind. 我想她该拿定主意了。句型5 情态动词+动词不定式
3、完成结构的用法 could have done “本来可以”(表示过去没有实现的可能)。might have done “本来可能;本来应该或可以做某事”(实际没有发生;含有轻微的责备语气。should/ought to have done “本来该做某事”(而实际未做) should not/ought not to have done “本来不该做”(实际却做过了,含有责备语气) neednt have done “本来不必做”(但是已经做过了) would rather have done “当时宁愿做了某事”(实际没有做过);否定式would rather not have done表
4、达相反意思,两者都有表示“后悔”之意。句型6 as, though, although引导的让步状语从句。注意although位于句首;though位于句首或句中;as位于句中=though。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。参考倒装结构 请注意下列句式的变化:1. Although/Though Im young, I already know what career I want to follow. Young as/though I am, I already know what career I want to follow. 我虽然年轻,但我已经明白我应该追
5、随什么样的事业。2. Although/Though I respect him very much, I cannot agree with his idea. Much as/though I respect him, I cannot agree with his idea. 虽然我很尊重他,但是我不同意他的观点。3. Although/Though he is a child, he knows a lot of Chinese characters. Child(省略冠词)as/though he is, he knows a lot of Chinese characters. 他
6、虽然还是个孩子,却认识了许多汉字。4. Although he tried, he couldnt solve the problem. Try as he might, he couldnt solve the problem. 尽管他努力了,但是他没有解决问题。5. Although it is raining, Im going out for a walk. Raining as it is, Im going out for a walk. 天虽然在下雨,我还是要出去散步。6. Strange as it may seem, nobody was injured in the acc
7、ident. 这次意外虽然显得不可思议,却没有人受伤。7. Much as I would like to help, I have a lot to do. 虽然我很想帮助你,但是我有很多事要做。8. Object as you may, I will go. 纵使你反对,我也要去。句型7 before特殊用法(1)“没来得及就” The roof fell before he had time to dash into the room to save his baby. 他还没有来得及冲进房间救孩子,房顶就塌了。He ran off before I could stop him. 我还
8、没有来得及阻止,他已经跑了。To my great disappointment, my favorite singer left the concert before I could have a word with her. 让我非常失望的是,我还没有来得及和我最喜欢的歌手打招呼,她就已经离开了。句型8 before特殊用法(2)“过了多久才”或“动作进行到什么程度才” They walked about fifty miles to the west before they saw a village. 他们西行50英里才看到一个村庄。The workers worked day and
9、 night about three days before everything returned to normal. 工人们连续工作3天才使一切恢复正常。He almost knocked me down before he knew it. 他几乎撞到我了才意识到。We had walked a long way before we found some water. 我们走了很长的路才找到一点水。Five years went by before I knew it. 不知不觉,五年过去了。句型9 It was + 时间段+before.“过了多久才(怎么样)” It was not
10、 long before.“不久,就” It will (not) be +时间段+before.“要过多久(不久)才”(before从句谓语动词要用一般时态) It was not long before he sensed the danger of the position.不久他就意识到他处境的危险。It was five days before he came back. 五天后他才回来。It will be half a year before you graduate from the school. 再过半年你才能毕业。It will not be long before th
11、ey understand each other. 他们大概不久就会互相了解。句型10 in case of(+n.) “以防;万一”;in case that“以防,万一”(谓语动词用一般现在时态或should+动词原形) In case of fire, what should we do?Please remind me about it in case I forget/should forget. 万一我忘了,请提醒我。In case (that) John comes/should come, please tell him to wait. Please take your um
12、brella in case (that it rains/should rain).带上雨伞,以防下雨。句型11 It强调句型 强调句的基本构成:It is/was + 被强调的部分 + who(主要指人时)/that + 其余部分 注意1 这种结构可以强调句子的主语、宾语、状语(包括时间,地点,方式,原因等),但是不能强调谓语动词(参考句型15)。原句的谓语动词如果是现在或将来时态,用It isthat/who.;原句的谓语动词如果是过去时态,用It wasthat/who.;强调时间、地点、原因或方式时不要用when, where或how, 必须用that。例句1 I saw him i
13、n the street yesterday afternoon. It was I who saw him in the street yesterday afternoon.(强调主语) It was in the street that I saw him yesterday afternoon.(强调地点状语) It was yesterday afternoon that I saw him in the street.(强调时间状语) It was him that/who I saw in the street yesterday afternoon.(强调宾语) 例句2 He
14、didnt go to bed until his mother came back. It was not until his mother came back that he went to bed. He didnt do his homework until his father came back from work. It wasnt until his father came back from work that he did his homework. 例句3 Only when you nearly lose someone do you fully realize how
15、 much you value him. It is only when you nearly lose someone that you fully realize how much you value him. 只有你快要失去某个人时,你才意识到你是多么尊重他。例句4 I was late again because the traffic was very heavy during the rush hour. It was because the traffic was very heavy during the rush hour that I was late again. (强调
16、句中只能强调由because引导的原因状语从句,because不能换成since, as, for, now that等) 注意2强调句的疑问结构 一般疑问句 Is / Was it +被强调部分 +who / that ?特殊疑问句 特殊疑问词+is /was +it +who / that?What is/was it that? Who is/was it that? When is/was it that?Where is/was it that? Why is/was it that? How is/was it that?When was it that you saw him i
17、n the street?Who was it that you saw in the street yesterday afternoon?Where was it that you saw him yesterday afternoon?I dont know when he will come back. I dont know when it is that he will come back.(宾语从句疑问词后用陈述句语序) How was it that you got in touch with Mr. Smith? 你是怎么和Smith先生联系上的?Trough a frien
18、d of mine. 通过一个朋友。句型12 (1)、祈使句(表条件)+ or/or else/ otherwise + 主句(表结果) “否则,要不然” (2)、祈使句(表条件)+ and +主句(表结果) Hurry up, or youll be late for class. Please call me up before you come, otherwise/or else/or we might be out. 你来之前打个电话,否则,我们也许会出去。Think it over and you will find the answer. Give him an inch and
19、 he will take a mile. 得寸进尺。Work hard and you will make progress every day. 好好学习,天天向上。句型13 until.“直到时候”;notuntil“直到才” You are to stay until/till your mother comes back. 你得等到你妈妈回来。The meeting was put off until ten oclock. 会议推迟到十点钟。The villagers didnt realize how serious the pollution was until all the
20、 fish died in the river. Not until all the fish died in the river did the villagers realize how serious the pollution was.(倒装句) 等到湖里的鱼全死光了,村民们才意识到污染是多么严重。It was not until his mother came back that he went to bed.(强调句) Not until he failed in the exam did he realize that he had wasted much time playin
21、g computer games. Not until his son came back from school did he go to bed. 句型14 unless“除非,如果不”(=ifnot) I shall go tomorrow unless it rains. 如果不下雨,我明天去。Shall Tom go and play football?Not unless he has finished his homework. 除非他完成作业,否则不能出去。I wont go unless he comes to invite me himself. 除非他本人来邀请我,不然我
22、是不会去的。I wont attend his birthday party unless invited (=unless I am invited). 除非被邀请,否则我不 去参加的生日晚会。句型15 when引导的从句 when除了用来引导主语从句、宾语从句、时间状语从句、表语从句和定语从句,还有一种用法值得关注,那就是when引导并列分句,意思是“这时突然;就在那时”,强调另一个动作的突然发生。常用于以下句型中:(1)、主语 + be doing when意思是“正在做某事这时”;(2)、主语 + be about to dowhen;(3)、主语+be on the point of
23、 (doing) when意思是“正要去做某事这时” One day Chuck was on a flight across the Pacific Ocean when suddenly his plane crashed. 有一天,Chuck正在太平洋上飞行,这时他的飞机突然爆炸了。I dont know when he will arrive. 我不晓得他什么时候到达。I thought of the happy days when I was in Beijing. 我想起了在北京时的那段快乐日子。I believe the time will soon come when ther
24、e will be no weapons in the world. 我相信世界上没有武器的日子不久就会到来。I was walking along the river when I heard a drowning boy cry for help. 我正在河边行走,这时我突然听到一个落水男孩求救。I was about to leave when it began to rain. 我刚要离开,这时下雨了。I had just finished my exam paper when the bell rang, announcing the class was over. 我刚做完作业,下
25、课铃响了。I thought of the happy days when I was in France. 我想到了在法国时那段快乐日子。I believe the time will soon come when there will be no weapons in the world. 我相信世界上没有武器的日子不久就会来临。比较 I was walking along the street when I caught sight of a tailors shop. 我正在街上走,这时我看见一家裁缝店。I was walking along the streets. Just at
26、the moment I caught sight of a tailors shop. 我在街上走。就在那时我看见一家裁缝店。句型16 while引导的从句 while除了有“当/在时候”的意思外(注意:引导的句子谓语动词只能是延续性动词!),另外的两层意思也是考查的重点:(1)while = although “尽管”、“虽然”,引导让步状语从句;(2)while的意思是“然而;可是”,常用来表达对比关系。While I admit that the problem is difficult, I dont think that they cant be solved. 尽管我承认这个问题
27、很难,但是我并不认为无法解决。While I admit his good points, I can see his shortcomings. 虽然我承认他的优点,我也能看出他的缺点。While I was angry with her, I didnt lose my temper. 虽然我很生气,但我当时没有对她发脾气。While I understand your viewpoint, I dont agree with you. 虽然我了解你的见解, 我还是不能同意(你)。I earn only 120 dollars a week, while she earns 180 dol
28、lars. 我一星期只赚120美元,她却赚180美元。句型17 where(地点从句) 注意where引导地点从句时,可以引导定语从句或是逻辑地点状语从句。当它在定语从句中作地点状语,指代地点时,这时可以用in which, on which, at which, to which, from which等结构代替。但是它引导逻辑地点状语从句时,没有这样用法。You should put the book where it was. 把书放回原处。Persistent people begin their success where others end in failure. 不屈不挠者从他人失败的地方获取成功。Where there is a will, there is a way. 有志者,事竟成。Where men are greedy, there is never
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