reported speech, when someone says a sentence or when we want to tell someone else what the first person said., defining, to give essential information about someone or something., non-defining relative clauses, to give extra information about the person or thing., modal verbs, to show if we believe something is certain, possible or impossible. We also use them to do things like talk about ability, ask permission, and make requests and offers, unit 7, sports, unit 8, art, unit 9, nations and politics

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