have和has的用法

have和has的用法

①have可以作为助动词，本身无词义，主要用于构成各种时态、语态、语气以及否定和疑问结构。（那此时的have还是has就要看具体的人称而定）
②have也能作为实义词，解释为“有”，用于疑问句和否定句时要用助动词do。
问题He doesnt have any coffee.
就是第二种：他没有咖啡。为否定句，用助动词do的第三人称单数形式does。在这样的助动词后面一定要用动词原形have。

have用在I、you和复数形式。
has用在第三人称单数

has是第三人称单数，是用在he,she,it...........have是用在I,you还有复数形式

参考资料：俺是

have 的用法小结 一、have作实意动词。 1.表示“有”的意思。 Look, I have wings, just like you. (JBⅤL1) He had fair hair and blue eyes. (JBⅥL2) 〔注1〕：其否定和疑问形式变化，在美国通常用助动词do。 〔注2〕：在英国口语中常用have got代替have. Look, can’t you see I've got teeth, too,(JBⅤL1) I haven't got any jewelry.(SBⅠL5) 2.have和一些其他名词连用，表示： (1)一种活动。 We have no classes on Sunday.（上课）(JBⅡL11) they’re going to have a volleyball match.（举行比赛）(JBⅢL11) Are we going to have a meeting this week?（开会）(JBⅢL11) We are going to have a talk this afternoon.（听报告）(JBⅢL11) (2)患病。 I have got a headache.(JBⅣL8) I have a bad cold.(JBⅤL3) (3)发生的情况。 I've had so many falls that I'm black and blue all over.（跌跤）(JBⅣL10) (4)生育。 The queen ant may have tens of thousands of babies in one summer.(SBⅠL14) 3.和一与动词同形的名词连用，表示一个动作（have＋a＋由动词转化和名词）。 Are you going to have a swim.(JBⅢL1) I have a long talk with the teacher.(JBⅣL10) 4.have on sth.或have sth. on，表示“穿着”、“戴着”(=to be wearing)。 I noticed he had on bedroom slippers.(SBⅡL6) At the ball Motile had a diamond necklace on. 5.表示“吃”、“喝”。 I wanted to have a cup of tea and some eggs.(JBⅢL10) Does she have lunch at home?(JBⅡL11) 6.组成复合结构即“have＋宾语＋宾语补足语”。 (1)不加to的动词不定式作宾语补足语(have sb. do sth.)，表示让、叫某人做某事。 The soldier had him stand with his back to his father.(SBⅠL17) 〔注〕：否定结构表示“不能让…”或“从未有人…”. We won't have you blame it on others. She had never had anybody speak to her that way before. (2)现在分词作宾语补足语(have sb.(sth.)doing)，表示让（使）某人做某事。 …the two men had their lights burning all night long…. (3)过去分词作宾语补足语(have sb. (sth.)done)，表示： ①使（让，请）别人作某事，表示的动作是别人做的。 Emperor Qin Shi Huang had all the walls joined up.(SBⅠL10) …he should have new clothes made of this splendid cloth for the coming great procession.(SBⅠ L8) ②遭遇到某事。 Houses near airports sometimes have their windows broken.(SBⅠL12) Workers in some industries have their hearing harmed by the noise of the machine.(SBⅠL12) 二、have与to一起构成情态动词，表示“不得不”、“必 须”，可用于各种时态。 I have to look after her at home.(JBⅢL4) 三、have做助动词与动词的过去分词一起构成现在完成时 和过去完成时。 Great changes have taken place the last two years.(JBⅥL3) They said that the Arab had stolen their camel.(JBⅤL4) 四、have用于“情态动词＋have＋过去分词”的结构，有 推测、假设之意。 1.must＋have＋过去分词，表示对过去时间发生的动作或存在的情况的推测，一般用于肯定句。 Her father thought that she must have met a fairy.(SBⅠL10) You must have left your bag in the theatre. 2.can(could)＋have＋过去分词，表示对过去发生事情的“不肯定”，常用于否定句和疑问句。 He can't have been to your home, he doesn't know your address. 3.should＋have＋过去分词，表示“某事本该早做而实际未做”，用于肯定句。 You should have been here five minutes ago.(SBⅡL10) 五、have用于某些成语，表示固定的意思。 1.have a word(a few words)with sb.，表示和某人说一（几）句话。 Where's Peter? I want to have a word with him.(SBⅢL13) 2.had better＋不带to的动词不定式，表示“…最好…”。 I'd better go and look for him now.(JBⅢL2) 3.have nothing(something)to do with，表示“和…无（有）”关系。 Most of questions had nothing to do with Edison's lessons.

准确来说答案：are
解释：family 这里指“家人，家庭成员”，作主语时谓语动词用复数形式。
句意：...一家人假期玩得很开心。
祝您学习进步，更上一层楼！(*^__^*)……采用are，因为这句话表达的是一家人开心度假！一家人一般情况下不只一个人赛！

①have可以作为助动词，本身无词义，主要用于构成各种时态、语态、语气以及否定和疑问结构。（那此时的have还是has就要看具体的人称而定）
②have也能作为实义词，解释为“有”，用于疑问句和否定句时要用助动词do。
问题He doesnt have any coffee.
就是第二种：他没有咖啡。为否定句，用助动词do的第三人称单数形式does。在这样的助动词后面一定要用动词原形have。