When the question is the subject, there is no auxiliary verb: Who went to the cinema? NOT who did go to the cinema? when the question is not the subject, we need to use an auxiliary: Who did you go to the cinema with? NOT who you went with? – the subject is ‘you’.
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something very difficult to master in English, especially for French speakers, is the concept of modal verbs. must / have to These two express obligation. Is there a difference between the two?While most English speakers use either for any situation, it can be said that ‘must’ is used for a moral or a internal obligation: [...]
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