could
modal
v (neg 否定式 could not, contracted form 缩约式 couldn´t)
1 (indicating permission 表示允准)
Could I use your phone? 让我用一下你的电话好吗?
Could I borrow your bicycle? 我可以借一下你的自行车吗?
Could I come round next week? 我下星期来拜访好吗? =>Usage 1 at may1 见may11项.
2 (indicating requests 表示请求)
Could you baby-sit for us on Friday? 星期五你替我们照看小孩行吗?
Could you type one more letter before you go? 你临走以前再打一封信行吗?
Do you think I could have a cigarette? 我可以吸支香烟吗?
3 (indicating result 表示结果)
I´m so unhappy I could weep. 我难过得要哭.
What´s for dinner? I could eat a horse. 吃什麽饭? 我饿得要命.
4 (indicating possibility 表示可能性)
You could be right, I suppose. 我想可能是你对.
My wife´s in hospital our baby could arrive at any time. 我妻子住进了医院--我们的?quot;Ρλ媸倍伎赡艹錾?
Don´t worry they could have just forgotten to phone. 别担心--他们很可能只是忘了打电话.
Somebody must have opened the cage the lion couldn´t have escaped on its own. 一定是有人打开了笼子--因为狮子是不可能自己跑出来的.
You could at least have sent a card, ie It was possible but you didn´t do it. 你本来至少可以寄张明信片来吧. =>Usage 2 at may1 见may12项.
5 (indicating suggestions 表示建议)
We could write a letter to the headmaster. 我们不妨给校长写封信.
You could always try his home number. 实在不行的话, 你还可以试一试他家的电话号码. =>Usage 3 at shall 见shall所附用法第3项. could, pt of can2.