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介词复习课件,介词复习课件,介词的分类与语法功能,介词是虚词,不能单独作句子成分,必须与名词、,代词(或相当于名词的其他词类、短语或从句等),构成介词短语,表示某个人、事物/东西、事件与,另一个之间的关系。,常见的介词宾语:,名词、代词、动名词、从句、,介词分为:,简单介词,如at、in、for等;,合成介词,如within、inside、onto,短语介词,如according to、out of、,because of、by means of、,双重介词,如from behind/above/under、,分词介词,如considering、including、,介词的分类与语法功能,(一)考查表示时间的介词,1)in,on,at,after,in用于较长一段时间,星期,月份,季节,年,朝代世纪或非特指的早、午、晚等。,eg:in 1988,in the 21st century,in winter,in March,in the day,in the morning,at night,at noon/,on具体某一天或具体某一个早、午、晚。,on Saturday evening,on the May seventh,on a windy night,on the afternoon,of October 31,st,(一)考查表示时间的介词,at在某一点时间或某个瞬间。,at eight oclock,at the end of,at this moment,at this time,at times/at a time/at one time,at the age of,at在某一点时间或某个瞬间。,【拓展考点1】,in+一段时间,表示一段时间之后,与动词将来时连用。,after则常用于过去时。,比较:He,will be,back,in,two days.,He,came,back,after,two days.,易错题:,-_ will the film start?,-In ten minutes.,How long B.How often,C.How soon D.How far,【拓展考点1】,【拓展考点2】,On+具体某一天/节日,易错题:-When were you born?,-I was born _ the morning of May 7th,1995.,A.in B.at C.on D.by,常见的搭配还有,on a cold morning/on a sunny afternoon,on a hot summer night,【拓展考点2】常见的搭配还有,另外注意:在时间词(morning,afternoon,evening;Sunday),前有,last,next,this,that,时,不再用介词.,tomorrow,tonight前也不用介词。,eg.I,will go,(A)to,the cinema,(B),in,(C)this evening.,_,B 去掉in,另外注意:在时间词(morning,afternoon,注意:at night=in the night,at noon,at this/that time,at Christmas 区别 on Christmas Day,eg.1._ the morning 2._ Monday morning,3._ a rainy evening,4._3:50 5._ 2002,6._ the morning of April 10 7._ spring,8._ night 9._ this time 10._ March,in,on,on,at,in,on,in,at,at,in,注意:at night=in the night ino,2)for+一段时间常表示“持续了一段时间”,since+时间点/+完成时,during则表示在期间+一般时态,He has been in Beijing for 3 years.,He has been in Beijing since 3 three years ago,I was in Beijing during last summer.,since,for常与现在完成时连用,提问时用how long.,介词复习ppt课件,3)表示时间的since和from:,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。,from,表示从时间的某一点开始,不涉及与现在的关系。,一般多与现在时、过去时、将来时连用。,I hope to do morning exercises _ today.,We have not seen each other _ 1995.,Since then,she _ as a teacher here.,From then on,she _ as a teacher here.,from,since,has worked,worked,3)表示时间的since和from:fromsincehas,4)till、until,till(until),与持续动词连用一般用于肯定句中,与短暂动词连,用一般用在否定句中。如:,He waited for me till twelve oclock.,He didnt get up till(until)10 a.m.,但注意:在句首出现或强调句型中一般不用till而用until。,如:,Not until 10 a.m.did he get up.,他等到我12点.,他直到10点才起床,4)till、until他等到我12点.,5)in、after、later,in,+一段时间:表示说话时为起点一段时间之后,,与一般将来时连用;,但表示“在之内”时,用于各种时态。,after,+一段时间表示:“在过去一段时间之后”,用于一般过去时;,+一点时间时,用于各种时态。,The doctor will be with us _ six minutes.,We will meet again _ two weeks.He received her letter _four weeks.,He will receiver her letter _ 2 oclock.,另外,in+一段时间+s+time 与 within+一段时间的用法如下:,in a weeks time=in a weekThey will arrive in three days time.(与将来时连用),in,=within,in,after,after,5)in、after、laterin=withininaf,6).具体时间用不同的介词:,在放假期间 _the holiday,三天之后 three days _,持续了五个月 last _ five months,during,later,for,6).具体时间用不同的介词:在放假期间 _,(二)考查表示地点的介词,1)in/on/at,at与小的地点连用,有“在某一点”的含义。,at the station/airport/at the cinema/,arrive at a village,in与大的地方连用或表示在一个立体空间内”的含义。,in the room/arrive in a big city,on 表示沿途/沿着边,on the side of the road/on the right/left,on the bank of the river,(二)考查表示地点的介词,eg.1)He arrived _Shanghai yesterday.,2)They arrived _a small village before dark.,3)There is a big hole _ the wall.,4)The teacher put up a picture _ the wall.,in,at,in,on,eg.1)He arrived _Shanghai y,易混淆介词及词组归类,1,in,the east of (,在范围之内的方向,),to,the east of (,在范围之外又互不相连,),on,the east of (,在范围之外但紧密相连,),2,in the tree (,表示树上不能生长的东西,),on the tree (,表示能在树上生长的东西,),3 in the wall (,在墙的内部,),on the wall (,在墙的表面,),易混淆介词及词组归类,(三)表示方位介词,1)in/to/on,in 表示一个地方在另一个地方的范围内,to 表示两地相隔,on-表示两地相邻,China is in the east of Asia.,Guangdong Province is on the southeast of Guangxi.,Japan is to the east of China.,in,on,to,(三)表示方位介词inonto,2)in front of,in the front of,in front of,表示“在某人或某物的前面”,在某个范围以外;,in the front of,表示“在的前部”,在某个范围以内。,例如:,There are some tall trees in front of the building.在大楼前有一些高树。The teacher is sitting in the front of the classroom.老师坐在教室前面,2)in front of,in the front of,3)Across/through,Across,表示从一端至另一端横跨横渡;,在物体表面上的通过,与on有关,through,则表示在三维空间内部“穿过”。与in 有关;,表示透过,通过带洞的物体.,It took them 6 weeks to walk _ the great desert.I walked _ the forest/the crowd.,The moonlight went _ the window.,He studied the sky _ the telescope.,He swam _ the river within 5 minutes.,across,across,through,through,through,3)Across/throughacrossacross,(4)between:在(两者)之间,among:在(三者以上)之间,1)A big crowd of people were waiting for Li Lida on the beach._ them were his parents.,2)Tom sits _Lucy and Lily.,注意:,课间,休息 _,Among,between,break time between classes,(4)between:在(两者)之间Amongbetwe,5)表示“在的上面”的,on,over,above:,On:,在物体表面上,相接触的.反义词:,beneath,over,表示“正上方;,还可表示“越过”覆盖”.反义词是,under,above,只表示“在上方”但不一定在“正上方”。,反义词是,below,还可表示温度、水位等“高于”,There is a bridge _ the river,Our plane flew _ the clouds.,There is a picture _ the wall.,over,above,on,5)表示“在的上面”的on,over,above:o,6)below与under,都可表示“低于”,under 主要表示垂直在下的正下方,,而 below 则不一定表示正下方(可以是正下方或非正下方),Look in the cupboard _ t
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