第1个回答 2013-10-20
过去式 could [表示能力、功能等]能，能够，会：例句: We can and must overcome our shortcomings.
我们能够而且必须克服我们的缺点。We want to buy a car that can seat five persons.
我们想要买一辆能坐五个人的汽车。[表示可能性]可能；可以；会：例句: I can give you no definite answer until I've seen him.
在我见到他之前，我还不可能给你明确的答复。In winter the winds can be very cold.
冬天的风会很冷的。[表示从内心里可以接受]可以，能够：例句: I can regard you as my brother but you must obey what I tell you .
我可以把你看做我的兄弟，但是你必须听我的话。[表示请求、要求、建议等]可以：例句: Can you help me to carry these books to the classroom?
你能不能帮我把这些书送到教室去?We can take a walk in the garden,if you like.
你愿意的话，咱们可以去花园里散散步。[表示允许等]可以：例句: You can have my seat.I'm going now.
你可坐在我的座位上，我现在就走。They can not talk at work.
他们上班时不准谈话。[表示命令]得；必须：例句: If you don't do your homework, you can leave the classroom.
你要是不做作业，就离开教室。[表示拥有某种权利、职责等]有权；可以：例句: Anyone can express his opinion in the confer-ence.
任何人都可以在会议上发表意见。[只用 could，表示愿望]想要；真想：例句: I could give you a slap in the face.
我真想扇你一个耳光。[只用 could，用于婉转的劝告或责备]该，当；其实可以；不妨：例句: You could have come a little earlier.
你其实可以早一点儿来。[表示惊讶、不相信等]到底可能；居然会，竟至于；竟能：例句: She can't be more than forty.
她不可能超过四十岁。How can you be so stupid?
你怎么会那么傻?