279
NAmE kaent/, pt could /kad; strong
form kud/, negative could not, short form couldn't /'kodnt/)
1 used to say
that it is possible for sb/sth to do sth, or for s仕i to
happen (表示有能力做或能够发生）能，会：
7 can run /ast.我能跑得快。◊ Can you caH back tomorrow?明天也能回电吗？ ◊ Jfe couWn’t answer the
question•他舍:麁回答那个问题。◊ 77ie stadium can be
emptied in/our minutes.这个体育场能在四分钟以内让观
众S部散场。◊/ can’t promise anything,
but 柯 do what Jean.我不能许诺什么，但会尽力而为。◊P〖ease〖etu5 know i/you cannot attend the meeting.你若不能参加会
议，请通知我们。2 used to say
that sb knows how to do sth (表示知道如何做）懂得，会：She can speafc Spanish.她会讲西班牙语。◊ Can he coofc?他会做饭吗？
◊
Jcouid drive a car be/ore schoo〖.我在中学毕业前
就会开车了。3 used with the verbs ‘feel’，‘hear’,
‘see’， ‘smell’，‘taste’（与动词 feel、hear、see、smell、taste 连 用）：She couM/ed a Zump fn her breast.她摸到自己的
乳房上有一个肿块。◊ J can hear music.我卩片见有音爸
声。4 used to show that sb is allowed to do sth (表示 允许）可以：Ybu can tafce the car/(f you want.如果想
用那辆你就尽管用吧。◊ We can’t wear jeans at
worfc.我们工作#不准备牛仔裤。5 (/_/?/o/77ifl/)
used to ask permission to do sth (请求:^许 > 可以：Can I read
GRAMMAR
POINT语法说明
can ♦ could ♦ be able to • manage
■
Can is used to say that somebody knows how to do
something. * can 表示懂得做：Can you play the p/fl/io?你会弹钢琴吗？ It is also used with verbs of
seeing, noticing, etc.食摘赤写 see、notice 等动词连 用：/ cfl/7 aj///ng.我听见有人在呼叫。
a.nd with
passive infinitives.弁与‘词的▲动不定k 逢用：The DVD can be rented from your local store.
戈DVD可在你们，当地的商店租借。
■
Can or be able to are used to say that
something is possible or that somebody has the opportunity to do something. * can或be able to義示襄%;情有.可能或 某人有机会做某事：Can you/are you able to come on Sfltw/r/tfy?你星期六能来吗？
■
You use be able to to form the future and perfect
tenses and
the infinitive.用.be able to 构成将来时、
完成时和动词不定式：Yow’//
be flb/e fo get 〇 fox/ owfs/t/e 5妨/〇/?._崩车站外可搭乘出_租车V ◊
I
haven't been able to get much work done today.
我今夭朱能干多少王作。◊ SheW /ove to he flb/e fo
p/oyf/jep/emo.她很糸—能弹钢琴。
■
Could is
used to talk about
what someone
was generally able to d.o in the past.:* could 赛示过去通 常能做：.Our daughter could walk when she
was nine monffjs
oW•我们的女儿九个月大就会走路f。
■
You use was/were able to or manage (but not could) when you are saying
that something was possible on a particular occasion in the past..关于.在
过去特定情况下可能的事用was/wefe able to或 manage,.但不用 could: I was able to/managed to //nd some wse/tz/ fcoo/cs /•/?
//bra〇z.我总算在图书馆_ 找到了一些有用的书。〇 I could find some useful books in
the libmry： In negative sentences, could not can also
be used.否定句也可用 could not: We weren’t able to/didn’t manage
to/couldn’t get there .in f/me.我们未能及时赶到那儿。Could is also used with this
meaning with verbs of seeing, noticing, understanding, etc.:冻可用 could 加 see.、notice、 understand.等动词表_此义I could see there was something
wrong.
■
Could have is used when you are saying that it was possible for somebody
to do something in the past but they did not try.秦示过去有可能做某事但去做，
用 coulci have: / could have won the game but dec/Wed to /付her w/n.我本可以贏得那场比赛，但还
是决定让她贏了。
o another note at gvn