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English definition of “could”

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could

modal verb
 
strong /kʊd/
 
weak /kəd/
A2 used as the past form of ‘can’ to talk about what someone or something was able or allowed to do: I couldn’t see him. You said I could go!
A2 used as a more polite form of ‘can’ when asking for permission: Excuse me, could I say something here? Could I speak to Mr Davis, please?
B1 used to talk about what is possible or might happen: She could arrive any time now.
B1 used as a more polite form of ‘can’ when asking someone to give you something or do something: Could you lend me £5? Could you turn the music down a little, please?
B1 used for making a suggestion: We could go for a drink after work tomorrow, if you like.
could have used to talk about things that possibly happened in the past or might possibly have happened by some time in the future: She could have been killed.
couldn’t have used to express certainty that something in the past was impossible or didn’t happen: He couldn’t have damaged your bike – he was with me all evening.
Translations of “could”
in Korean “can”의 과거형, 허락을 구할때 “can”보다 공손한 표현으로 “could”가 쓰임, 가능성이 있음을 표현할 때 쓰임…
in Arabic يُمكِن, يَسْتَطيع, هَل بالإمْكان؟…
in French pouvoir…
in Turkish can' fiilinin geçmiş zaman hali, bir şeyin olma olasılığını anlatmada kullanılır, bir şeyi nazikçe istemede veya sormada kullanılır…
in Italian usato come passato semplice di “can” per esprimere capacità o permesso al passato, usato come forma più gentile di “can” per chiedere permesso di fare qualcosa, usato per esprimere ciò che è possibile o che potrebbe accadere…
in Chinese (Traditional) 許可, (禮貌地請求許可)可以,能…
in Russian прош. вр. гл. can, может, мог бы…
in Polish mógł itp., można było, może…
in Spanish pasado del verbo ‘‘poder’’, para expresar posibilidad…
in Portuguese passado de “can”, forma educada de “can” quando usado para pedir algo, poderia…
in German pret. von ‘können‘, Konjunktiv von ‘können‘…
in Catalan passat de “can”, s’utilitza per a expressar el que algú sabia, o el que algú o alguna cosa podia fer…
in Japanese “can” の過去形, (許可を求める疑問文で、”can” よりも丁寧)~してもよろしいですか, (推量を表す)~かもしれない…
in Chinese (Simplified) 许可, (礼貌地请求许可)可以,能…
(Definition of could from the Cambridge Essential Dictionary © Cambridge University Press)
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