could
/kʊd/
/kʊd/
释义
modal verbcan 的过去式；（礼貌地请求）能，可以；可能
英英释义
modal verbthe word for ‘can’ in the past
modal verba word that you use to ask something in a polite way
modal verba word that shows what is or may be possible
场景例句
- He could run very fast when he was young.
- I could hear the birds singing.
- Could you open the door?
- Could I have another drink, please?
- I don’t know where Mum is. She could be in the kitchen.
- It could rain tomorrow.
词态变化
could
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