do是什么词 用法有哪些
http://www.newdu.com 2025/12/24 12:12:27 初三网 admin 参加讨论
do读音是 [duː,də,dəʊ] ，具有多种词性和词义。构成疑问句和否定句。代替动词。用于加强语气。有做、干、进行、表现、的确等意思。  do词性 do是用于一般现在时的助动词，did则是用于一般过去时的助动词。done是do的过去分词。do还有实义动词（有实在意义的动词）的解释：做，干，等。口语中，do 的否定式通常用缩写形式。例如，do not 略作don't，did not 略作didn't。助动词无法与be动词、动词原形一同使用。 do的用法 1. do用于一般现在时 例句:I often do my homework in the evening. 2. does用于第三人称单数的一般现在时 例句:He does his lessons every day. 3. did用于一般过去时 例句:They did homework yesterday. 4. doing常用于现在进行时或者非谓语动词(暂时不提) 例句:He is doing his homework now. 5. done 常用于完成时，被动态或者非谓语动词(暂时不提) 例句: He has done his homework. He had done his homework before he went out. His homework is done. 作为助动词，常用于疑问句和否定句。 1. 一般疑问句 例句:Do you like English? 2. 选择疑问句 例句:Does he go to school by bus or by bike? 3. 特殊疑问句 例句:How do you go to school? 4. 反义疑问句 例句:You like English, don't you? 5. 否定句 例句:I don't like English. 另外，也可以用于表示强调, 此时需要重读。 例句:He does need your help. (does重读，强调确实需要帮助) 还有，也可以代替其他的动词，使句子更简练。 例句: Who cleaned the windows? Tom did. do开头的词组 do a good deed 做一件好事 do away with 去掉，废除；弄死；浪费 do by 对待 do for a living 为了生计而做 do good to (=do sb good) 有益于 do harm to (=do sb harm) 有害于 do in 使精疲力竭 do it all 服无期徒刑；多才多艺；包办一切 do it up [美国俚语]干净利落 do its work 有效，有作用 do much 极有用 do one’s best 尽某人最大努力 以上就是小编整理的do的相关知识点，希望对你有所帮助。 (责任编辑：admin) |
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