单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,初三复习:介词的用法,概念:,介词是一种用来表示词与词、词与句之间的关系的虚词,在句中不能单独作句子成分。介词后面一般有名词代词或相当于名词的其他词类,短语或从句作它的宾语。介词和它的宾语构成介词词组,在句中作状语,表语,补语或介词宾语。,分类:,介词可以分为时间介词、地点介词、方式介词、原因介词和其他介词。,初三复习:介词的用法 概念:介词是一种用来,1,一,表示时间:,介词,in/on/at,1)in,表示时间段,一天的三个时间段以及月份,年,季节,世纪,人生的某个时期,(,某人几十岁时,),在早上,/,中午,/,晚上,在春天,/2007,年,/,三月,在,21,世纪,在他,50,岁时,2)on,表示星期几,/,某一具体的日子,/,具体某天,的上午,/,下午,/,晚上,表示一天中的三个时间段名词前有修饰语或后有修饰语时,.,on Monday on New Years Day,on Sunday morning on a rainy night,on the evening of April 1st,2007,3).,表示某一具体时间点,,某一时刻,/,年龄,at six oclock at noon at that time,at the moment,at the age of,at night,in the morning/afternoon/evening,in spring/in 2007/in March,in the twenty-first century,in his fifties,一表示时间:介词in/on/atin the morn,2,after/in,在,之后,1.after,1)after+,时间段,.,表示一段时间之后,用于过去时,.,2)after+,时间点,表多少时间之后,用于将来时。,2.in+,一段时间,.,表示说话时或以现在为起点的将来一段时间之后,.,用于将来时,.,Eg.He will be back _ three oclock.,He will be back _ a few minutes.,He came back _ three days.,after,in,after,after/in 在之后afterinafter,3,since/for,注,:since/for,用于现在完成时,.,1).since:,a).since+,时间点,b).,现在完成时,+since+,从句(,一般过去时,),c).since+,一段时间,+ago.,2)for:for+,一段时间,=since+,一段时间,+ago,since/for,4,by,在,.,之前,during,在,.,期间,from to,从,.,到,.,till/until,直到,by 在.之前,5,二,.,表方位,:,介词,in/on/to,1.in,表示,A,地在,B,地范围之内,.(,包含关系,),Tanwan is _ the southeast of China.,2.on,表示,A,B,地接壤,.(,外切关系,),Russia is _ the north of China.,3.to,表示,A,B,两地有一定的间距,.(,外离关系,),Japan is _ the east of China.,in,on,to,二.表方位:介词in/on/to inonto,6,介词,in/on/at,表地点,:,1)in,表示在,较大,的地点或一个有限,空间里,.,in China in the classroom,2)at,一般指,较小,的地点或,较具体,的位置,at the station at the cinema,注意,:,写街道时,若有门牌号用,at,否则用,on/in,都可,.,He lives_ 270 DongChangan Street.,3)on,指在某物体的表面上,.,(要接触),on the desk,at,介词in/on/at表地点:at,7,above,与,below,(不强调是否垂直),(抽象意义的上下方),over,与,under,(,指垂直的上方,不接触),温度在,0,度以下。,The temperature is below zero.,There is a bridge _ the river.,over,above与below(不强调是否垂直)over,8,between/among,在,之间,1.between:,指两者之间,.,在,.,之间,.,2.among:,用于三者或三者以上人或物之间,.,在,之中,.,You sit _ him and me.,The song is popular _ the students.,between,among,between/among 在之间betweena,9,in front of/in the front of,1.in the front of,表示在,.,内部的前面,2.in front of,表示在,外面的前面,There is a desk in _ front of our classroom.,There is a big tree in _ front of our classroom.,the,/,in front of/in the front of,10,inside,outside,along,near,beside,next to,across from,behind,在。里面,在。外面,沿着,在。附近,在。旁边,紧挨着,在。对面,在。后面,inside 在。里面,11,三,.with/in/by,表示“用,”,1.with,表示“用,”,一般指有形的工具,/,手段,/,人体器官,.,He cut the apple into halves _ a knife.,注,:,with,表伴随,“,带有,含有”,He came in _ a big smile on his face.,2.in,表示用某种语言,方式,途径,.,或书写,/,绘画所用的材料,.,也可表交通方式,.,Can you say it _English?,He wrote a letter _ blue ink.,3.,by,表示乘坐交通工具,表示方式,方法,I study for a test _ working with a group.,He goes to school _ bus.,注意,:,同义词组,1).by phone=on the phone,2).by car=in a car,3).in pen=with a pen=with pens,with,with,in,in,by,by,反义词,-without,by+,时间,by the time/by the end of,by+,交通工具,by train,、,by air,by doing,通过什么方式,stay,by,my side,在。旁边,三.with/in/by 表示“用”with,12,四,.across/through/over/by,经过,1.across,指横穿,穿过,.,表示动作从某一物体表面上经过,.,2.through,指穿过,透过,表示从某一物体空间内通过,.,3.over,表示从某人或某物的,上空,经过或越过,不与表面接触,.,4.by,表示从某人,/,某物的旁边经过,.,Can you swim _ the river?,the elephant is so big that it cant go _ the gate.,I dont think anyone can jump _ the fence.,I walked _ the bank of China yesterday.,across,through,over,by,四.across/through/over/by,13,五其它介词的用法:,1.except/besides,1).except,除了,.,之外,都,.,不包括在范围之内,.,注,:nothing but,除了,之外,什么也没有,.,2).besdies,除了,之外,还有,.,包括在范围之内,.,We all went swimming _ Lucy.She was ill.,There is _ a letter in the box.,We study Chinese and math _ English.,except,nothing but,besides,五其它介词的用法:exceptnothing butbes,14,9.with/without,1).with,具有,含有,-,反义词,:without,没有,词组,:with the help of=with ones help,=because of=thanks to,without ones help,2).without,的用法,:,A).without+sb./sth.,没有某人或某物,B).without+doing sth.,He left here without _ (say)“Goodbye”to us,C).without sth,与,if,引导的否定的条件句,.,If there is no water,we cant live.=We cant live _ _.,saying,without water,9.with/without sayingwithout,15,5.like,的用法,:,1).,像,/,和,一样,.,常与系动词连用,.,词组,:look like sound like,2).,与,what,连用,“,是什么样子,怎样”,.,What is he like?He is kind.,5.like 的用法:,16,2.in,的其它用法,:,1)in,表示“在,方面”,词组,:do well in=be good at,be weak in,2)in,表示“穿着”后接表颜色的词或衣服,.,词组,:be in+,衣服,=be wearing+,衣服,3)in,作副词,“,在家”,=at home,2.in的其它用法:,17,on,的其他用法,=about,1.at,的其它用法,.,1).,表示“从事或正在做某事”,其后加的名词往往不加冠词,.,She is at work now=She is working now.,2)at,表示“价格或速度”,The train ran at 120 kilometres an hour.,on的其他用法=about,18,3.off,的用法,:,1).,从,下来,脱离,某物体,.,词组,:fall off,