| 七年级介词 教学案例(人教版英语七年级) |
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介词 时间介词：at ,in ,on 方位介词：at ,in , on ,under ,behind , near ,across from, next to, in front of, between...and through 易混的用法： 一．表示时间的at、on、in的用法区别 at主要表示： (1)在某具体时刻之前，如at seven o’ clock，at 7：30。 (2)在固定短语中，如：at noon，at night，at that time，at the age of at the weekend，at Christmas。 On用来表示“在……天”，日期，星期，节日如：On Monday，On May lst，On Children’s Day。 in用来表示： (1)在某年、某月、某季节。 (2)在—段时间之后，如：in two hours，in a few days。 注意：在纯粹地表示在上午／下午／晚上时，用in the morning／afternoon／evening，但在某一天的上午、下午、晚上前要用介词on。如：on Monday morning，on the morning of Children’ s Day。 介词的省略 表示时间介词at, on, in 的省略 (1) 在 next, last, this, these, today, yesterday, tomorrow, one, every, each, all等词前,一般不用 at, in, on. (2) 在某些名词词组前,可以省略(也可不省)如: (on) that day, (in)the year before last 时间名词前介词用法口诀歌： 年月周前要用in，日子前面却要禁 遇到几号要用on,上午下午又是in 要说某日上下午，用on换in才能行 午夜黄昏用at，几点前面表时分。 说“差”可要用上to，说“过”只用past. 二. 表示地点介词 1at，in，on的用法区别 (1) at通常指小地方，in一般指大地方。 (2) at 所指范围不太明确，in指“在……里”。 (3) in指在内部，on指“在……之上”。 2 over, above, on over, 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under。 above也表示位置高于某物，但不一定在正上方，其反义词是below。On指两个物体表面接触，一个在另一的上面。例如： There is a bridge over the river. We flew above the clouds. They put some flowers on the teacher’s desk. 3 across, through The dog ran across the grass. The boy swam across the river. They walked through the forest. I pushed through the crowds. 4 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. The teacher is sitting in the front of the classroom. 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。记住这种固定搭配关系，才能正确使用介词。 （1）介词与动词的搭配 listen to , laugh at, get to, look for wait for, hear from, turn on, turn off, worry about, think of, look after, spend…on…, 等。 （2）介词与名词的搭配 on time, in time, by bus, on foot, with pleasure, on one’s 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 for, be afraid of, be good at, be interested in, be angry with, be full of, be sorry for等。 当堂热身训练 1.---When will Mr Black come to Beijing? ---___________ September 5. A. On B. To C. At D. In 2 - Thank you ＿＿＿ the beautiful flowers! - Not at all. A in B on C at D for 3 Can you answer this question ＿＿＿ English? A by B in C with D from 4 Look ＿＿＿ the map ＿＿＿ China ＿＿＿ the wall, please. A after, of, in B at, of, in C after, in, on D at, of, on 5 - When did Mr Green arrive in London? - He arrived there ＿＿＿ the evening of December 6th. A at B in C on D to 6 We won the relay race. And there was a big smile ＿＿＿ our teacher's face. A off B near C on D between 7 The twins got on well ＿＿＿ their classmates. A to B in C with D about 8 - Please remember to come to my birthday party. - I see. I'll come ＿＿＿ Saturday evening. A in B at C on D for 9 Let's hurry， or we'll be late ＿＿＿ school A to B at C with D for 10 My brother joined the army ＿＿＿ A 1989， March B in March， 1989 C March， 1989 D 1989， in March A /， to B in， to C at， to D on， to 12 It's a bad manner to laugh ＿＿＿ people when they are ＿＿＿ trouble A over， in B at， in C in， at D at， for 13 The people's Republic of China was founded ＿＿＿ 1949 A with B on C since D in 14 The teacher asked the students to look ＿＿＿ the word in the dictionary A for B at C up D after 15 A little monkey is playing ＿＿＿ a tree and there are a lot of bananas ＿＿＿ it A on， on B in， on C on， in D in， in 16 I go to school ＿＿＿ bus every morning. A. in B. by C. on D. at 17 He had to sell newspapers ＿＿＿ seven. A. at an age of B. at the ages of C. at the age of D. at age of 18 Edison was very interested ＿＿＿ science when he was a boy. A. to B. on C. in D. about 19 The story happened ＿＿＿ Beijing. A. in B. with C. for D. on |
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