“You sometimes want to say that something is done in the way that it would be done if something were the case. You do this by using as if or as though. You use a past tense in the clause of manner.
He holds his head forward as if he has hit it too often on low doorways.
Presidents can’t dispose of companies as if people didn’t exist.”
摘录来自
COBUILD English Grammar
Collins Cobuild
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