1、 语法（五）介词，介词的相关概念和用法：1，介词的概念：介词是一种用来表示词与词、词与句之间的关系的虚词，起“媒介”作用。2，介词后加宾语，即名词或代词性质的词。例如：I am in school . in the morning 例如：Thanks for helping me . What about going for a walk ?3，介词的分类： ，时间介词；，地点介词；，方式介词；，目的介词；，原因介词； ，运动方向介词；，比较介词；等等等等。，介词的分类：一、表示时间的介词常考的时间介词有at, in, on“在”1. at表示“在某一时间点”，或用来表示不确定的时间和短期的假
2、日、时节等。如：at six oclock, at Easter2. in表示“在某一时间段”，如用在月、季、年份、时代、世纪等。如：in July/summer/2000/ancient times/the 1999sin the morning/afternoon/evening表示在特殊或具体的日子。如：on Saturday, on Saturday morning, on the morning of August 1st , on Mid-autumn Day4.注意：当表示时间的名词前，有this / last / next / every时，前面不需要加介词。 【小练习】：Th
3、ere are four seasons _ a year.What do you wear _ winter?We have no classes _ Sundays.My birthday is _ September.My birthday is _ June 18th. ( （ ） 1 Children get gifts _ Christmas and _ their birthdays.A. on; on B. at; on C. in; in D. in; on( ) 2 -There is nothing _tomorrow afternoon, is there? -No.
4、We can have a game of table tennis. A. on B. in C. out D. up( ) 3 A lot of students in our school were born_March, 1981. A. in B. at C. on D. since( ) 4 Tim suddenly returned_ a rainy night. A. on B. at C. in D. during( ) 5 My grandfather was born_Oct. 10, 1935. A. on B. in C. at D. of( ) 6 The trai
5、n is starting_five minutes. A. in B. at C. for ( ) 7 Mike does his exercises _ seven _ the evening. A. on; to B. at; in C. by; of D. at; on ( )8She will come back _ next week. A. in B. at C. on D./ ( )9They played basketball _ last night. A. in B. at C. on D./4. since, from, 和for （拔高部分）1)since 指从某时一
6、直延续至今，后接时间点，主句用完成时。如：He has lived here since 1993.2)from 说明开始的时间，谓语可用过去、现在、将来的某种时态。如：From now on, I will learn English in the morning.3)for 指动作延续贯穿整个过程，后接时间段，表示“持续时间”。主句用完成时。如：I have studied English for six years.5. after 与in “在之后” 1)after 与时间段连用，用于过去时。如：They finished the work after two years.2)afte
7、r 与时间点连用，用语将来时。如：Ill ring you up after two oclock. 3) in与时间段连用，指“在之内”，表示从说话起的一段时间内，常用将来时。如：The bus will be here in ten minutes.6. by “到以前为止” （拔高部分）“by + 时间点”表示“到以前为止”，如果by后跟一个过去的时间点应用过去完成时。如：We had learned 1000 English words by the end of last term.7.“during +时间段” “在期间” （拔高部分）与延续性动词连用表示某期间的动作。 如：He
8、lives with us during these years.8. until 用于否定句中，意为“直到才”，其前的谓语动词多用瞬间性动词；用于肯定句中，意为“直到为止”，其前的谓语动词须用延续性动词。如： I didnt leave until my mother came home. I waited for my mother until she came home.9. before和after 表示时间，分别意为“在之前”和“在之后”。如： Please bring your homework before ten oclock. 【小练习】：练习1：( ) 1 The teac
9、her is coming back_ an hour. A. after B. for C. in D. before ( ) 2 She lived in the mountain village_ the years 1940-1950. A. between B. during C. in D. since ( ) 3 Miss Wang will come to Beijing_ two days. A. after B. in C. on D. before ( ) 4 The American Civil War lasted four years before the Nort
10、h won _ the end. A. by B. at C. in D. on 练习2：( ) 1 Mary had finished her homework_ the time I got home. A. until B. by C. at D. when ( ) 2 We stayed at the lab_ our teacher returned. A. till B. by C. during D. while ( )3 They didnt leave the station_ they get on the train. A. until B. by C. after y
11、D. at 练习3：（拔高题）1（ ）Both Mary and Betty will get married this year. Mary is going to begin their honeymoon Christmas while Betty _New Years Day. A. on; on B. at; in C. at; on D. by; on 2（ ）Suffering from the terrible earthquake, the victims often awake several times _the night and sometimes they even
12、 cannot sleep _night. A. in; at B. at; in C. during; in D. in; during 3（ ）He went abroad for further education _a few weeks. He will go abroad for further education _a few weeks. A. in; in B. after; after C. in; after D. after; in 4（ ）No hurry! The train will be here _a few minutes. No hurry! The tr
13、ain will be here _twelve oclock. No hurry! The train will be here _lunch. A. after; in; at B. in; after; after C. after; in; after D. in; after; in 5（ ）The horrible earthquake struck Wenchuan _the afternoon when I was travelling there. A. in B. on C. during D. within6（ ） Last night Mr. Crook didnt c
14、ome back at the usual time. Instead, he met some friends and _out _ midnight. It was _ midnight that they reached the camp site. A. stayed; until; not until B. stayed; until; until C. didnt stay; until; until D. didnt stay; until; not until 练习4：( ) 1 Children wake up very early_the morning of Christ
15、mas Day. A. in B. on C. for D. at ( ) 2 _ a cold winter morning, I met her in the stfeet. A. In B. On C. At D. For ( ) 3 It happened to be very cold_ the morning of our sports meet. A. at B. on C. with D. of ( ) 4 Why did you get up so early _ this morning. A. on B. / C. at D. in 练习5：( ) 1 He went t
16、o Shanghai_ September 3, 1991 and came back_ a cold morning last year. A. in; on B. on; in C. on; on D. in; ia ( ) 2 Lucy was born_ the night of May 12, 1984. . . A. on B. in C. at D. to ( ) 3 Mrs Brown came to China _ 1996. B. of C. to, D. in ( ) 4 _ the morning of November 20, 1915, the workers ca
17、me to Chicago to show their mourning_Joe Hill. A. On; to B. In; of . C. On; for , D. At; for ( ) 5 Ann moved_Hangzhou_September, 1992. A. /; in i B. to; in C. to; on D, in; in ( ) 6 They started off_an autumn afternoon. A. during B. at C. in D. on 练习6：( ) 1 He often goes _ school _ six thirty _ the
18、morning. A. for; to; in B. to; at in C. to; for; at D, for; at; to ( ) 2 He arrived _ Shanghai _ 9: 30 _ March 5. f A. at; in; at B. to; on; at C. in; on; at D. in; at; on ( ) 3 The English teacher told me to get there_ half past ten. A: in B. at C. on D. of ( ) 4 The children get up _ 6 oclock. A. at B. on C. during D. in
