介词复习课件ppt

B. at
C. on
on a cold morning/on a sunny afternoon
on a hot summer night
另外注意：在时间词（morning , afternoon , evening ; Sunday…）前有 last, next , this , that时，不再用介 词. tomorrow, tonight前也不用介词。
4)till、until
①till (until)与持续动词连用一般用于肯定句中，与短暂动词连
用一般用在否定句中。如：
他等到我12点.
He waited for me till twelve o’clock.
他直到10点才起床
He didn’t get up till (until) 10 a.m.
分词介词，如considering、includ
（一）考查表示时间的介词
1）in, on, at, after
in——用于较长一段时间, 星期, 月份, 季节, 年, 朝代世纪或非特指的早、午、晚等。
eg: in 1988, in the 21st century, in winter, in March, in the day， in the morning,
介词的分类与语法功能 介词是虚词，不能单独作句子成分，必须与名词、 代词（或相当于名词的其他词类、短语或从句等） 构成介词短语，表示某个人、事物/东西、事件与 另一个之间的关系。
常见的介词宾语：名词、代词、动名词、从句、
介词分为：简单介词，如at、in、for等； 合成介词，如within、inside、on 短语介词，如according to、out becaus 双重介词，如from behind / abov
at night, at noon /
on——具体某一天或具体某一个早、午、晚。
on Saturday evening, on the May seventh, on a windy night, on the afternoon, of October 31st
at——在某一点时间或某个瞬间。
at eight o’clock, at the end of, at this moment, at this time, at times / at a time / at one time， at the age of
一般多与现在时、过去时、将来时连用。
I hope to do morning exercisfersom_____ today. We have not seen each othesrin_c_e____ 1995. Since then, sheh_a_s__w_o_r_k_e_d_____ as a teacher here. From then on, shweor_k_e_d___ as a teacher here.
He has been in Beijing since 3 three years ago
I was in Beijing during last summer.
since，for常与现在完成时连用，提问 时用how long.
3)表示时间的since和from：
since表示从过去到现在的一段时间的过程，常与现在完成时连用。 from表示从时间的某一点开始，不涉及与现在的关系。
The doctor will be with uisn ____ six mi=nwuittehsi.n We will meet againin____ two weeks. He received her lettaefrte_r____four weeks. He will receiver her leatftteerr _____ 2 o’clock.
on
eg. 1o.n___ the morning 2.___ Monday
mornaitng
in
o3n. ___ a rainy evening in
a4t. ___3:50 at
5.i_n_ 2002
6.___ the morning of April 10
7.___ spring
2)for + 一段时间常表示“持续了一段时间”, since + 时间点/ + 完成时 during则表示在……期间+ 一般时态 He has been in Beijing for 3 years.
但注意：在句首出现或强调句型中一般不用till而用until。如： Not until 10 a.m. did he get up.
5)in、after、later
①in + 一段时间：表示说话时为起点一段时间之后， 与一般将来时连用； 但表示“在……之内”时，用
②after + 一段时间表示：“在过去一段时间之后”，用于一般过去 +一点时间时，用于各种时态。
另外，in + 一段时间 + ’s + time 与 within + 一段时间的用法
A. How long
B. How often
C. How soon
D. How far
【拓展考点2】
On+具体某一天/节日
易错题：--When were you born?
--I was born ____ the morning of May 7th, 1995.
常D见. 的by搭配还有 A. in
【拓展考点1】
in+一段时间，表示一段时间之后，与动词将来时 连用。
after则常用于过去时。
比较：He will be back in two days.
He came back_______ will the film start?
--In ten minutes.
eg. I will go(A) to the cinema(B) in(C)
this evening.
______________
B 去掉in
注意：at night= in the night
at noon
at this / that time
at Christmas 区别 on
Chriinstmas Day