1、時間介詞 (at, in ,on)的用法與練習1. at指時間表示 ：（ 1）時間的一點、時刻等。如：They came home at sunrise（at noon, at midnight, at ten oclock, atdaybreak, at dawn） .（ 2）較短暫的一段時間。 可指某個節日或被認為是一年中標志大事的日子。如：He went homeat Christmas （at NewYear, at the Spring Festival,at night ）.2. in指時間表示：（ 1）在某個較長的時間（如世紀、朝代、年、月、季節以及泛指的上午、下午或傍晚等）內。

2、如：in 2004, in March, in spring, in the morning, in the evening, etc（ 2）在一段時間之后。一般情況下，用于將來時，謂語動詞為瞬間動詞，意為“在 以后”。如：He will arrive in two hours.謂語動詞為延續性動詞時，in 意為“在 以內”。如：These products will be produced in a month.注意： after 用于將來時間也指一段時間之后，但其后的時間是“一點”，而不是“一段”。如：He will arrive after two oclock.3. on 指時間表示：

3、（ 1）具體的時日和一個特定的時間，如某日、某節日、星期幾等。如：On Christmas Day （On May 4th ）, there will be a celebration.（ 2）在某個特定的早晨、下午或晚上。如：He arrived at10 o clock on the night of the 5th.（ 3）準時，按時。如：If the train should be on time, I should reach home before dark.練習一、用介詞 in on at填空_1999_9:45_the evening_Monday evening_June_t

4、he afternoon_noon_night_Children sDay_Teachers Day_8 oclock_Summer_May_May,1999_May15th,1999二，選擇() 1. Children get gifts _ Christmas and _ their birthdays.A. on; onB. at; onC. in; inD. in; on()2.-Thereis nothing_tomorrow afternoon,is there? -No.We can have a game of table tennis.A. onB. inC. outD. u

5、p() 3. A lot of students in our school were born_March, 1981.A. inB. atC. onD. since() 4. He suddenly returned_ a rainy night.A. onB. atC. inD. during() 5. My grandfather was born_Oct. 10, 1935.A. onB. inC. atD. of() 6. The train is starting_five minutes.A. inB. atC. forD.still() 7. Mike does his ex

6、ercises _ seven _ the evening.A. on; toB. at; inC. by; ofD. at; on() 8. Children wakeup very early_the morning of Christmas Day.A. in B. on C. for D. at() 9 _ a cold winter morning, I met her in the stfeet.A. InB. OnC. AtD. For() 10 It happened to be very cold_ the morning of our sportsmeeting.A. at

7、B. onC. withD. of() 11. Why did you get up so early _ this morning.A. onB. /C. atD. in() 12. He went to Shanghai_ September 3, 1991 and came back_a cold morning last year.A. in; onB. on; inC. on; onD. in; ia() 13. Lucy was born_ the night of May 12, 1984. . .A. onB. inC. atD. to() 14. Mrs Brown came

8、 to China _ 1996.A.onB. ofC. to,D. in() 15 _ the morning of November 20, 1915, the workers came toChicago to show their mourning of Joe Hill.A. OnB. InC. OnD. At() 16. Ann moved_Hangzhou_September, 1992.A. /; inB. to; inC. to; onD, in; in() 17. They started off_an autumn afternoon.A. duringB. atC. inD. on() 18. He often goes _ school _ six thirty _ the morning.A. for; to; inB. to; at; inC. to; for; atD, for; at;to() 19. He arrived _ Shanghai _ 9: 30 _ March 5. A