[二轮介词和连词课件daiping

1、一、介一、介 词词 介词和连词介词和连词是高中英语学习的难点和重点，由于这类词往往具有一词多义性，及一义多词性，因而极易出错。由于汉语中对于连词的要求与英语中表达习惯不同，因此，在这方面考生容易忽略或掌握不透某些知识点，这些应引起我们高度注意。 1、表示原因的介词：表示原因的介词：for, at, on/upon, with, by, through, from, in, of1) He didnt answer _fear of hurting her feelings.forfor: 因为；由于某事物因为；由于某事物 多用于表示内多用于表示内在的、心理的原因。在的、心理的原因。 解析解析2

2、) Im much pleased _your arrival.at多用来表示感情上的原因，常和表示多用来表示感情上的原因，常和表示一定感情的词连用一定感情的词连用 解析解析3) He came to see me _business.4) He came _your invitation.for, at, on/upon, with, by, through, from, in, ofon解析解析on/upon: (表示为某事物的表示为某事物的基础、根据或理由基础、根据或理由)由于，因由于，因为为 所表示的原因与条件直接所表示的原因与条件直接相关。相关。 on5) He was trembl

3、ing _fear.6) His face turned red _anger.with多用来表示由外界影响到身心多用来表示由外界影响到身心的原因。的原因。 解析解析with7) I met her quite _ chance/accident.8) He got ill _drinking too much yesterday.for, at, on/upon, with, by, through, from, in, ofbyby因（某事物）所致；由于；凭借因（某事物）所致；由于；凭借 通常用来表示由什么方式产生的通常用来表示由什么方式产生的 解析解析还有due to, owing to

4、, thanks to, because of四个成语介词表示“因为”、“由于”，但他们在用法上有区别。1. because of 用在句首或句子后面，表示用在句首或句子后面，表示原因。原因。例如： It was all because of your necklace, your beautiful necklace.那全是你的项链，你那条美丽的项链。2. due to sth/sb: 由某人由某人某事物某事物引起的；引起的；由于某人由于某人某事物某事物 ，常用来做表语。，常用来做表语。例如： The teams success was largely due to her efforts.

5、该队的成功在很大程度上是由于她的努力。3. owing to 由于；因为由于；因为 Owing to the rain, the meeting has to be put off.会议因雨而推迟了4. thanks to 由于，因为；幸亏，多亏由于，因为；幸亏，多亏 常位常位于句首，于句首，表感谢或讽刺意味表感谢或讽刺意味。例如： Thanks to your help, we finished the work head of time.多亏你的帮助，我们提前完成了任务。Thanks to the bad weather, the match had been put off.多亏这倒霉的

6、天气，比赛推迟了。2. 表示时间的介词表示时间的介词in, on, from, at, until, for, since, after, beforeby, during, over, through, within, upon1) He came in 1958 and has stayed here _ then.since解析解析since, 自从以来到现在，和完成时连用。另外，since 还可以用作副词，表达同样的意思。2)She went to Nanjing last May，and she came back _a month.after解析解析in, on, from, at

7、, until, for, since, after, beforeby, during, over, through, within, uponafter +时间常常和过去时连用，表示一个时间点。如：after school, dinner, 3pm 等。3)They worked hard. They finished the work _2 days at last.in, on, from, at, until, for, since, after, beforeby, during, over, through, within, upon解析解析within表示在时间以内，而in强调

8、以现在为基准，想将来延续，in an hour 是从现在起一个小时之后。4)They said they would arrive here _a week.withininin, on, from, at, until, for, since, after, beforeby, during, over, through, within, upon, till9)Scientists say that it may be five years _ it is possible to test this medicine on human patients.before解析解析before:

9、过了多久以后才 “五年以后才会在人体上做试验。11)The students wont go home _they finish their homework. 12)The woman worked in the factory _1990. in, on, from, at, until, for, since, after, beforeby, during, over, through, within, upon, tilluntil / beforeUntil/till解析解析在until能使用的句型中,即主句含有否定式终止性谓语动词或肯定式延续性动词,可与before直接替换,意义

10、差别不大。 3. 表示方向的介词表示方向的介词in, at, to, 1)He rushed _the woman with a sword. 2)He rushed _the direction of the small village. 3)He rushed _the women with a sword.atinto解析解析rush at:朝着扑去；in the direction of 朝着什么方向；rush to向这位妇女走去。4. 介词的其他用法介词的其他用法请填入适当的介词。1) He went _the rain to meet me at the station. 他冒雨到

11、车站去接我。 in在阳光下，在灯下，在树阴下，穿衣、着装、冒雨等都要用in。 解析解析2) The workers are paving a road _stone. 3) The teacher is correcting the paper _a new pen. 4) I really cant express my idea _English freely in-deedwithwithin解析解析有形有形with, 无形无形by，语言，语言 、单位、单位、材料材料 in. 5. Whos standing there _the door? 6. He is _present in W

12、ashington. 7. Water freezes _0centigrade and boils at 1008.The soldiers launched an attack upon the enemy _sunset. 9. The force _ the core leading our cause forward is the Chinese Communist Party. atatatatat解析解析在山脚下,在门口,在目前,速度、以速率,温度,在日落时,在核心要用at。 二、连二、连 词词 连词，主要是包括连词，主要是包括并列连词并列连词和和从属连词从属连词。在句子中，连词

13、起连接词与词、短语与短语在句子中，连词起连接词与词、短语与短语及句子和句子的作用。它本身在句子里不单及句子和句子的作用。它本身在句子里不单独做句子成分。独做句子成分。 1. 并列连词并列连词and, but, or, nor, so, for yet, however, as well as, both.and, not only.but also, either.or, neither.nor2. 从属连词从属连词after, when, before, as, while, since, until, till, if, unless, lest, because, than, that,

14、 whether, so that, in order that, as if, as though, although, suppose that, provided, that, as.as, now that, such.that, in case that, on condition that例题分析 I think you are a great family _Im glad Im going to join you. A. and B. but C. so D. howeverAnd在这里表示有因果关系的事件。又如：You are late again and you must

15、apologize. So也可以表示因果关系。例如：He was sick, so he was quiet.解析解析A2. This medicine, _ drug, has a violent effect.这种药品，或者说麻醉剂，有强烈的效果。A. And B. or rather D. but D. however解析解析or rather: 或者说；准确地说。B3. The text is rather difficult. It is,_, not beyond the reach of the students.A. therefore B. for C. so D. howe

16、verD解析解析however此处是副词，意思是：然而；可是，表示转折。又如：He hasnt arrived. He may, however, come later. 他还未到，不过，他可能过一会儿来。We have not yet won; however, we shall try again. 我们还没有取胜, 不过我们还要再试一下。2. 从属连词从属连词 时间状语从句：When, after, before, while, as, since, until, as soon as, 条件状语从句：if, unless, 地点状语从句：where, 目的状语从句：so that5.

17、让步状语从句：although, though, even though, no matter what/how/when, 6. 比较状语从句：as, asas, not soas, than, 7. 结果状语从句：so (such)that, 8. 原因状语从句：as, because, since1. It has been 5 years _my sister returned from abroad.2. It is 5 years ago _my sister returned from abroad.3. It was the years 1990_my sister retur

18、ned from abroad.4. It will be 5 years _my sister returns from abroad. A. before B. since C. that D. when活学活用活学活用since thatwhenbefore 6. Air is to us _water is to fish. A.like B. what C. but D. when what = just as，意为“恰像，犹如，好比”用作连词，引导比较状语从句。A is to B what C is to D.解析解析B空气对于我们犹如水对于鱼。7. You may have some idea of _the astronauts have to deal with if you try to drink a glass of water while standing on your head or while just lying down.活学