could的四种用法(could的三种用法)

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could的四种用法：作为情态动词，意为“能”；委婉的提出问题或陈述看法；用于条件句和假设句的主句中；与过去分词连用，表示现在对过去事物的判断。could可作情态动词和动词，含义有可以、把…装罐保存、炒…的鱿鱼等。

could的基本含义及用法介绍

1、作为情态动词，是can的过去时，意为能、可以。

例句：She said that she couldn't come.

她说她来不了啦。

I couldn't hear what they were saying.

我听不见他们在说些什么。

Could I use your phone, please?

请让我用一下你的电话可以吗？

Could you babysit for us on Friday?

你星期五帮我们看一下孩子好吗？

I could do it now, if you like.

如果你愿意的话，我现在就可以做这事。

We could write a letter to the director.

我们不妨给主管写封信。

They could have let me know they were going to be late!

他们要晚来，也该早告诉我一声呀！

I'm so fed up I could scream!

我烦透了，非大喊大叫不可！

I could have won the game but decided to let her win.

我本可以赢得那场比赛，但还是决定让她赢了。

We weren’t able to/didn’t manage to/couldn’t get there in time.

我们未能及时赶到那儿。

She’d love to be able to play the piano.

她很希望能弹钢琴。

Our daughter could walk when she was nine months old.

我们的女儿九个月大就会走路了。

2、作为动词，意为把(食品)装罐保存;让…卷铺盖走人;炒…的鱿鱼。

（责任编辑：叶项明）

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