内容正文:
介词专题
知识提炼
1. 时间介词
(1) at
a) 具体时间点或某个时刻
at five o'clock, at noon/at night, at the beginning of the month, at that time, at that moment, at this time of day
b) 表年龄
at the age of 50
(2) in
a) 上午、下午、傍晚等固定短语
in the morning/ afternoon/ evening/daytime
b) 世纪、年代、季节、月份前
in the 21st century, in 2017, in summer, in July
c) 表“……之后”,用于一般将来时
in an hour, in two days, in three years
(3) on
具体某天或某天早上、下午、晚上;星期或含有day 的节日
on Mondays/weekdays, on Friday evening, on a warm morning in April, on a December night, on Christmas afternoon, on October 1st,1949, on New Year's Eve, on the morning of the 15th
(4) by
a) 最迟在某时刻或某日期之前(可表现在、过去或将来)
He says that he will return by next Monday.
b) “到……时候”,“当(某时候)到了…….”
By the time you get home, it will be dark.
(5) since
表过去持续到现在,since+时间点,用于现完
We’ve lived in this area then.
(6) until/til
a) 否定句中,“直到……才……”,谓语动词多用瞬间性动词;
My mother didn't go to bed until/till 11 o'clock last night.
b) 肯定句中,谓语动词须用延续性动词
(7) during
“在…期间”,与表一段特定时间名词连用
during the night
during my stay in Chengdu
(8) for
for+时间段,用于现完
He has been away from Beijing for a week.
(9) from
说明开始的时间
The rain was falling from morning till night.
(10) before
在…之前
I will finish the work before Friday.
(11) after
a) 与将来时连用+时间点
We’ll leave for Beijing after lunch.
b) 与过去时连用+时间段
I got back from the US after two weeks.
2. 方位、地点介词
(1) at+小地点(建筑或公共场所)
at home, at the station, at Sunshine Middle School
(2) in+大地点(国家;城市或水域);在…里面
Guilin is in the north of Guangxi;
in China
(3) on 在…上;地理位置(相切)
on the table, on the sofa;
Canada lies on the north of America.
(4) to 向,朝;相隔
go to school, give the kite to me;
Japan lies to the east of China.
(5) across 横穿;在…对面
Let's go across the bridge and see the elephants.
There is a bank across from the hotel.
(6) through 穿过(内部);凭借
The wind blew through the window.
You can only achieve success through hard work.
The little boy was too young to sit through the whole concert.
(7) over 一边到另一边;在…上方(不接触)
They jumped over the river.
all over the world, all over the country;
He held an u