1、1)at, in on表示时间点用 。at six oclock, at noon, at midnight。表示在某个世纪,某年,某月,某个季节以及早晨,上午,下午,晚上时,用 。in the nineteenth century, in 2002, in may, in winter, in the morning, in the afternoon等。表示具体的某一天和某一天的上午,下午,晚上时,用 。on Monday, on July 1st, on Sunday morning等。2) since, after由since和after 引导的词组都可表示从过去某一点开始的时段,但s
2、ince词组表示的时段一直延续到说话的时刻,因而往往要与 时态连用。而after词组所表示的时段纯系过去,因而要与与 时态连用。 【活学活用】I havent heard from him last summer. five days the boy came back.3) in, after在将来时态中,in与 连用时,表示“过多长时间以后”的意思。After后面只能跟表示 的词语。After与过去时态连用时,后面才能跟表示一段时间的词语。【活学活用】He will be back two months.He will arrive four oclock.He returned a mo
3、nth.(2)表示地点的介词1)at, in, onat一般指 ;in一般指 或 ;on表示 He arrived Shanghai yesterday.There is a big hole the wall.The teacher put up a picture the wall.2)over, above, onover, on和above都可表示“在上面”,但具体含义不同。Over表示位置高于某物,在某物的正上方,其反义词是 。 above也表示位置高于某物,但不一定在正上方,其反义词是 。On指两个物体表面接触。There is a bridge the river.We flew
4、 the clouds.3)across, throughacross和through均可表示“从这一边到另一边”,但用法不同。Across的含义与on有关,表示动作在 进行。Through的含义与in有关,表示动作是在 进行。The dog ran the grass.The boy swam the river.They walked the forest.4) in front of, in the front ofin front of 表示“在某人或某物的前面”,在某个范围 ;in the front of 表示“在的前部”,在某个范围 。There are some tall tr
5、ees the building.The teacher is sitting the classroom.5)in,on,toin表示在某一范围内, 该范围,on表示与某地 ,to表示在某一范围 ,不属于该范围。China is the east of Asia.Shandong is the east of Shanxi.Russia is the north of China.6) between ,aamongbetween表示在 ,among表示在 。(3)表示方式的介词1)by, with, inby 常指乘 ,或by doing sth 。with 常指用某种工具。in 常指用.
6、方式,用.语言,用.材料等;He used to go to school bus , but now he gets used to walking . We each see something our eyes . We often write ink . (4)易混淆的介词except, besides 除之外(不包含在整体范围之内); 除之外(包括在整体范围内)。 Mr. Wang, we went to see the film. Mr. Wang, we also went to see the film. 三. 介词的固定搭配 介词往往同其他词类形成了固定搭配关系。记住这种固定
7、搭配关系,才能正确使用介词。(1)介词与动词的搭配listen , laugh , get , look , wait , hear , turn , worry , think , spend 等。(2)介词与名词的搭配on time, in time, by bus, on foot, with pleasure, on ones way to, in trouble, at breakfast, at the end of, in the end等。(3)介词与形容词的搭配be late , be afraid be good , be interested , be angry , b
8、e full , be sorry 等。随堂练习一.用适当的介词填空 1. -How are you going to the train station to meet your aunt? -Im going there _ my car. 2. Mum, today is Mothers Day. Mike and I want to invite you to have dinner _ us at Zhonglou Restaurant. 3. Hangzhou is famous _ the West Lake. 4. Today some newly-produced mobil
9、e phones can take pictures _ a camera. 5. Could you tell me if there is a flight to the capital _ March, 25th? 6. We all agree _ you. Lets start at once. 7. There is a big shop _ the other side of the road. 8. -Which necklace have you lost? -The one you gave me _ my birthday. 9. You should take more
10、 exercise. Its good _ your health. 10. It is clear that fish cannot live _ water.四 完型填空 (1)A very new, yung officer was at a railway station. He was on his way to visit his mother in 1 town. He wanted to telephone her to tell her the time of his train, 2 she could meet him at the 3in her car. He loo
11、ked at all his pockets, but 4that he did not have the right money for the telephone, so he went on and looked 5for someone to help him. At last an old soldier came by, and the young officer stopped him and said, “Can you change the money 6me?”“Wait a moment,” the soldier 7 , and he began to put his
12、hand in his 8“Ill see whether I can help you.”“Dont you know how to speak to an officer?” the young officer said angrily “Now lets 9again, Can you change the money for me?“No, sir,” the old soldier answered 10 .1Aother Bthe other Canother Done 2Aso Bso that Cbecause Dwhen 3Aplace Bstation Cstreet Dstop 4Aknew Bthought Cfound Dfound out 5Aup
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