You use could to talk about a possibility, ability, or opportunity that depends on other conditions.Their hope was that a new and better east germany could be born.A list of what tend to be regarded as modal auxiliary verbs in modern english, along with their inflected forms, is shown in the following table.Contractions are shown only if their orthography is distinctive.Past simple of can, used to talk about what someone or something was able or allowed to do….Learn more.We use could have to say that someone had the ability or opportunity to do something, but did not do it:
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She could have learned swahili, but she didn't want to.Could is also used to talk about ability in the present, but it has a special meaning.If you say that someone could do something, you mean that they have the ability to do it, but they don't in fact do it.The meaning of could is â€used in auxiliary function in the past, in the past conditional, and as an alternative to can suggesting less force or certainty or as a polite form in the present.How to use …