| 词组 | do auxiliary verb |
| 释义 | Contents overview do : auxiliary verb27 do: auxiliary verbThe auxiliary verb do is followed by infinitives without to. It has several uses.1questionsWe use do to make questions with ordinary verbs, but not with other auxiliary verbs (216). Compare:Do you like football? (not Like you football?)Can you play football? (not Do you can play football?)The auxiliary do can make questions with the ordinary verb do.What do you do in the evenings?2negativesWe use do to make negative clauses with ordinary verbs (including the ordinary verb do), but not with other auxiliary verbs (217).I don't like football. (not I like not football.)Don't go.I don't do much in the evenings.but I can't play football. (not I don't can play football.)3emphasisWe can use do in an affirmative clause for emphasis.Do sit down.You do look nice today!She thinks I don't love her, but I do love her.I don't do much sport now, but I did play football when I was younger.4inversionDo is used in some structures with inversion (verb before subject) (270).At no time did he lose his self-control.5ellipsisIn cases where an auxiliary is used instead of a whole verb phrase (279), do is common in affirmative clauses as well as questions and negatives.She doesn't like dancing, but I do. (= … but I like dancing.)'That meat smells funny.''Yes, it does, doesn't it?'Anna thinks there's something wrong with James, and so do I.For do with be, 19.For weak pronunciations of do and does, 315.For do in short answers, 308.Previous Next |
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