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Understanding Modal Verbs Explained by Sandra Ivković is a document available to read on EtoBox.

The document provides an overview of different modal verbs in English: - CAN is used to express ability, possibility, and permission. COULD is the past form used for past ability and polite requests. BE ABLE TO expresses only ability. - MAY and MIGHT are usually interchangeable and used for possibility, with MAY expressing stronger possibility. - MUST and HAVE TO express obligation, with MUST used for internal obligation and HAVE TO used for rules. HAD TO is the past form of both. - MUSTN

Author
Sandra Ivković
Language
EN