介词专练。
一、常用介词用法歌诀。
in在里面on在上；by和beside在近旁；above表示在上方，below恰好为反向。
若表正上用over，under表示正下方。in front of表在前，反义behind在后面。
从里穿过用through，表面通过across。进到里面用into，落到上面用onto。
from表示自何方，to和towards表朝向。小小介词用处大，反复实践掌握它。
二、表示时间和日期的介词。
三、表示延续时间的介词。
by意为“在……之前；不迟于……”for意为“历时……之久；持续……”in意为“在……以后；在……时间内”；since意为“自从……以来；自……以后”；until用于否定句中，意为“直到……才”，。
他已经当老师9年了。he has been a teachernine years.
我已经在这儿住了10年了。i h**e lived hereten years ago.
他十分钟之后将会回来。he will be backten minutes.
知道五月，我们才会看到一些花。we don’t see any flowersmay.
你必须得在这里站到太阳落下去为止。you must stand herethe sun sets.
我明天早晨八点前必须得到校。i must be at schooleight tomorrow morning.
你能在五分钟之内干完这些工作吗？can you finish your work __five minutes?
四、表示方式的介词。
介词用来表交通，常把by, in, on来用；
限定、复数用in / on，by要直通海陆空；
骑马、骑车惯用on，小轿车前in才通)
注】1. by + 交通工具，意为“乘坐……”如：
海：by ship / boat / sea 陆：by bus / car / train / bike / taxi 空：by air / plane / spaceship
2. on / in + 限定词 + 交通工具，意为“乘坐……”如：
he goes to work on the bike /he goes to work in his car. 他骑自行车 / 开车去上班。
3. on foot为固定短语，意为“步行”。
五、表示运动方向的介词。
across意为“从……表面穿过”，或沿某一条线的方向而进行的动作；through意为 “从……内部穿过”，past和by表示“从旁边经过或路过”。如：
please be careful when you gothe street.
look! the mosquito is trying to flythe window.
we often goa bakery on our way to school.
六、不用介词的情况。
today, yesterday, tomorrow等时间状语前；含有last, this, that, these, those, next, every, one, some, all等词的时间状语前；here, there, home, back等副词前。
如：we meet every day.
其他介词。about
关于，附近，大约，周围，随身。
there are about fifteen trees in the picture.
大约有十五棵树在**里。
for 为。因为。至于。
he works for this company. 他为这家公司工作。
from 从。来自。因为。
where are you from?
你是**人？
he died from an accident. 他死于一场事故。
of ..的，属于。
this is a map of china. 这是一张中国地图。
介词专项练习。
in,on,under,at,of,about,for,from,to,with,after,before
begin classes __about 8：00．
2. we all like working __china.
3. her mother usually gets up __six thirty.
4. the store has shirts___a great price.
___the picture
call jim __9876543.
7. the student often showersdinner.
girl likes running __class.
9.__that, the old man begins to run
likes to play soccer __school.
11. the kid usually does his homeworkgoingbed.
letter
13. _kids, the movie is too scary.
14. we h**e vegetables and fruit __lunch.
sell the sweaters __40 each.
16. she plays the pianoan hour every day.
kid buys a cake __his uncle.
you tell meyour day
you think we can learn much __chinese history __the documentaries?
areschoolmondayfriday.
___the blanksthe wordsthe box.
you help memy math?
cousin likes to playhis dog best.
daughter often goes to see beijing operaher grandpa.
old woman usually watches comediestv.
school has an art festivaldecember 31st every year .
don’t h**e any classesweekends.
you get up earlywednesday？
computer game’sthe floor.
your clothesthe dresser?
birthday cake’sthe table
socks aresale.
33. what’syour backpack?
do you like doingthe evening？
you say itfrench
american __white is his friend.
can beour club if you can play the piano,the trumpet,the guitar or the drums.
history teacher isn’tthe classroom.
like to workchina.
40. what can you see __the picture
speech contest is __january.
pencil’syour i can’t find it.
does he getschool？
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