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English definition of “do”

do

verb (PERFORM)    // /du/ /duː/ /duː/ (did, done)
A1 [T] to perform , take part in, or achieve something: That was a really stupid thing to do. Why were you sent home from school early? What have you done now? What are you doing over the weekend ? The only thing we can do now is wait and see what happens . You should be able to do it by yourself/on your own. What have you done (= made happen ) to her? What (on earth ) were you doing in the library (= why were you there) at two o'clock in the morning ? What are these toys doing here? (= Why are they here?) What do you do (for a living )? (= What is your job ?) What can I do for you? (= How can I help you?) What have you done with (= where have you put) my coat ? She just hasn't known what to do with herself (= how to keep herself busy ) since she retired .Acting and actsDealing with things or people do sth about sth to take action to deal with something: It's a global problem - what can individuals do about it?Acting and actsDealing with things or people do well/badly by sb formal to treat someone well or badly Treating someone wellTreating people or animals badlyInsults and abuseUnkind, cruel and unfeelingViolent or aggressive Grammar:DoGrammar:Do: formsDo is an irregular verb. Its three forms are do, did, done. The present simple third person singular is does:Grammar:Do: usesWe use do as a main verb and an auxiliary verb. We can also use it as a substitute verb.Grammar:Do as a main verbDo as a main verb has a number of meanings.Grammar:Do as an auxiliary verbDo is one of three auxiliary verbs in English: be, do, have. We use do to make negatives (do + not), to make question forms, and to make the verb more emphatic.Grammar:Do as an auxiliary verb: typical errorsGrammar:Do as a substitute verbWe often use do instead of repeating all the words in a clause. Do substitutes for the words we don’t repeat:Grammar:Do or make?When we use do and make with noun phrases, do focuses on the process of acting or performing something, make emphasises more the product or outcome of an action:
(Definition of do verb (PERFORM) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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