代词和介词 公开课一等奖ppt课件.ppt
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1、二、代词和介词,(一) 代词考点1代词的基本用法一、人称代词、物主代词及反身代词,1. 人称代词的排列顺序两个以上的人称代词并列, 其次序排列原则: 在并列主语中, “I”一般放在最后, 排列顺序为: 二 三 一(人称)。宾格me也一样。,2. 含有反身代词的习惯用语devote oneself to致力于 dress oneself自己穿衣enjoy oneself过得愉快 boast oneself自夸help oneself to随便吃, 随便用hide oneself把自己藏起来make oneself at home不拘束 say to oneself心里想seat oneself坐
2、下 teach oneself自学,【题组训练】1. They are afraid I might fall off my bike and hurt _(me). 2. (2018临沂模拟)Green tea is known for _(it) high level of cancer-fighting chemical. 3. Mr Perkins stood at the bus stop and watched the cars go by. Many of the cars were new Beta 400s, and most of _(they) were yellow.,
3、myself,its,them,二、 it的用法1. 指天气、时间、距离、环境等。*Its early spring, but it is already very hot. *It is twenty miles from here to the village.2. 代替前面提到过的事物、群体、想法或代替指示代词this, that。*Although he didnt like the movie, he decided to see it anyway.,3. 当说话者不清楚或没必要知道说话对象的性别时, 可用it来表示。*What will you call it if it is
4、a boy?,4. 用作形式主语或形式宾语, 代替不定式、动名词或从句。(1)it作形式主语的常用句型: It+be+adj. (+for sb. )to do sth. 常用于此句型的形容词有: easy, difficult, hard, necessary, unnecessary, possible等。,It+be+ adj. (+of sb. ) to do sth. 此句型中的形容词描述的是人的品德、特征。能用于该句型的形容词有: kind, nice, wise, silly, polite, impolite, friendly, foolish, clever等。It is
5、no good/no use/useless doing sth. Its (well) worth doing. . .,It+be+名词词组(a pity/a fact/no wonder/. . . )/adj. +that从句It+特殊动词(seems/appears/turns out/occurs to sb. /. . . )+that从句It+be+过去分词+that从句It+takes(+sb. ) some time/some money to do sth.,(2)it作形式宾语的常用句型: 主语+think/believe/suppose/consider/feel/m
6、ake/keep. . . +it+adj. /n. (for/of sb. ) to do/从句主语+think/believe/suppose/consider/feel/make/keep. . . +it+useless/worth/worthwhile/no use/no good/a waste oftime (money/energy. . . )+doing. . .,主语+think/believe/suppose/consider/feel/make/keep. . . +it+important/necessary/natural/essential+that. . .
7、(should). . . *He didnt make it clear when and where the meeting would be held. 他没说清楚何时何地举行会议。,【点津】某些及物动词或短语后不能直接跟从句。此时须先用it作形式宾语, 然后接从句, 有此用法的动词(短语)有: like, dislike, hate, appreciate, depend on, rely on, count on, see to等。*I hate it when people talk with their mouths full.,5. it的固定搭配When it comes t
8、o. . . 当涉及 make it 成功; 确定时间为 (后接时间类名词)as it is事实上; 照原样get it 明白了,【题组训练】1. In many countries, _is not unusual for families of different backgrounds to live together in the shared space. 2. (2018泉州模拟)Another reason why homework is important is that _can help you practice the days lessons.,it,it,3. (20
9、18衡水模拟)_would take him an hour to do so, but he insisted because it made him get a sense of success.,It,三、不定代词1. both, all, either, any, neither, none的区别*Ive bought two books; you can have either. *Im sorry I cant lend you any (money).,2. one, another, the other, some, others, the others的区别*I dont l
10、ike this hat. Please show me another one. *I have two books. One is English; the other is French. *The other students in my class are from this city.,3. someone/somebody/something, anyone/anybody/anything, everyone/everybody/everything, no one/nobody/nothing的区别,*Nothing in my life impressed me so de
11、eply as my first visit to the Palace Museum.,4. none, nobody/no one, nothing的区别,*How much money do you have? None. *I wished someone could help me, but there was no one at the moment.,5. any, every的区别*I have many books here, and you can take any one. *Every student has to take the examination.,6. ev
12、ery, each的区别,*Almost every student in our class passed the English exam yesterday. *There are lots of trees on each side of the road.,7. many, much, few, little, a few, a little的区别(1)many修饰或替代可数名词复数; much修饰或替代不可数名词。两者都表示“许多”。(2)few修饰或替代可数名词复数; little修饰或替代不可数名词。用于否定句, 表示“几乎没有”。,(3)a few修饰或替代可数名词复数; a
13、 little修饰或替代不可数名词。用于肯定句, 表示“一些”。*He can speak a little French, but he knows little English.,8. 代词的部分否定和全部否定(1)all, both, everyone, everybody, everything以及“every+名词”与not连用时, 表部分否定。(2)no one, nobody, none, neither, not. . . any/either以及“no+名词”表全部否定。,(3)not与总括性副词, 如everywhere, always, wholly, altogethe
14、r等连用时, 也表示部分否定。*Every student does not realize the importance of the chance.,9. 不定代词用于固定搭配中nothing but仅仅, 只是 anything but决不 something of有几分, 略微or something诸如此类的人 或物all but几乎, 差不多 every other day每隔一天each other(两者)互相 one another(三者或三者以上) 互相,【题组训练】1. As is announced in todays newspaper, we have launche
15、d _man-made satellite. 世纪金榜导学号790602072. I got this bicycle for _: my friend gave it to me when she bought a new one.,another,nothing,3. (2018西宁模拟)Nobody likes to talk about death, but the reality iseveryoneis going to die at one point, but _of us know the day, or the hour.,none,(二) 介词考点2 介词一、常见介词的用
16、法(一)表示地点的介词 1. 表示地理位置的in, on, to。in表示在某范围内, on指“与毗邻”, to指在某环境范围之外。,*Changchun is in the northeast of China. (长春是中国的组成部分)*Mongolia is on the north of China. (蒙古与中国接壤)*Japan is to the east of China. (中国和日本是隔海相望的),2. 表示“在上”的on和in。on只表示在某物的表面上, 而in表示占去某物一部分。*There is a book on the piece of paper. *There
17、 is an interesting article in the newspaper.,3. 表示“穿过”的through和across。through表示从内部通过, 与in有关; across则表示从一端至另一端在表面上通过, 与on有关。*Water flows through the pipe. *The old man walked across the street.,4. above, below, over, under, on, beneath的区别。above 在某物的斜上方below 在某物的斜下方over 在某物的正上方under 在某物的正下方on 在某物的上面(两
18、者接触)beneath 在某物的下面(两者接触),(二)表示时间的介词1. 表示时间的at, in, on(1)at表示片刻的时间。例如: at noon, at midnight, at the end of, at that time, at the beginning of, at the age of, at Christmas等。(2)in表示一段的时间。例如: in the morning, in the afternoon, in the evening, in October, in 1998, in summer, in the past, in the future等。,(
19、3)on是指在特定的某一天或某一天的上午、下午或晚上。例如: on Monday, on Christmas morning, on the following day, on a warm morning等。,2. 表示时间的since, for和from (1)since表示从过去到现在的一段时间的过程, 常与现在完成时连用。*We have not seen each other since 1995. (2)“for+时间段”, 表示行为或状态持续的时间。*I have been teaching in the school for ten years.,(3)from表示从时间的某一
20、点开始, 不涉及与现在的关系。*I hope to do morning exercises from today.,3. 表示时间的after和in(1)after表示在某一具体时间点之后, after短语和过去时态或将来时态连用。after有时也可以表示在一段时间之后(常用在过去时里)。*After seven the rain began to fall. (2)in+时间段和将来时态连用。*Well be back in three days.,4. 表示时间的over和during(1)“over+名词”表示“一边一边; 在过程中”。*Lets have a talk about i
21、t over a coffee. (2)“during+名词”表示“在期间”, 通常用于一般过去时。*He picked up Japanese during his stay in Japan.,(三)表示“除了”的介词 1. besides指“除了还有, 再加上”, 也可用in addition to*Besides stamps, he also collects ancient coins. 2. except指“除了, 减去”, 不能放在句首*All went out except me.,3. but与except意思近似, 表示“除了外”, 经常用在no, all, nobody
22、, anywhere, everything等词或其他疑问词后面*I never saw him reading anything but the newspaper. 4. except for表示“如无就, 只是”, 表明具体原因*His diary is good except for a few spelling mistakes.,(四)表示“方式和方法”的介词1. as, like两者都可表示“如, 像”as表示“如, 像”时, 用作连词; 表示“作为”时, 用作介词。like表示“如, 像”时, 通常用作介词, 但是在口语中也可用作连词。like含有“好像是”之意, 意指“实际上
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