1、单元语法小专题(Grammar Focus3c)语法精讲一般现在时中实义动词 have 的用法在英语中，表示现在的状态或表示经常的或习惯性的动作的句子要用一般现在时。另外，表示主语具备的某种性格和能力的句子也要用一般现在时。在一般现在时中，往往含有 always，often( 经常)，usually(通常) ，every day(每天 )等标志词。have 作实义动词，意为“有；拥有；占有” ，表示所属关系 ，有人称和数的变化。它的一般现在时的各种句式如下：1肯定句：主语have/hashave 用于复数名词，第一人称单复数、第二人称单复数或第三人称复数代词作主语的句子中； has 为 hav
2、e 的第三人称单数形式，用于不可数名词、可数名词单数或第三人称单数代词作主语的句子中。例如：I have a red telephone.我有一部红色的电话 。He has a brother.他有一个哥哥 。2否定句：主语dont/doesnthave 例如：We dont have the key.我们没有钥匙。She doesnt have a tennis ball.她没有网球。来源:学优高考网3一般疑问句：Do/Does 主语 have？肯定回答：Yes，主语do/does.否定回答：No，主语dont/doesnt.在一般疑问句结构中，常借助助动词 do，当主语是第三人称单数时，助
3、动词用 does。例如：Does Eric have an uncle？埃里克有叔叔吗？Yes， he does.是的，他有。Do they have a computer？他们有电脑吗？No，they dont. 不，他们没有。语法精练.用 have，has，do ，does， dont 或 doesnt 填空。1I have a book and he has a pen.来源:学优高考网 gkstk2They have a TV.They dont have a radio.3She has a CD player.Its on the desk.4I dont have a compu
4、ter，but Tom has one.5Does he have a clock?No，he doesnt6Do you have a backpack?Yes， I do7Does Cindy have a ruler?Yes， she does.根据汉语意思完成句子，每空一词。8海伦没有白色的夹克衫。Helen doesnt have a white jacket.9布朗夫人只有一个女儿，没有儿子。Mrs.Brown only has a daughter.She doesnt have a son.10郑凯有兄弟姐妹吗？Does Zheng Kai have brothers or s
5、isters?来源:学优高考网 gkstk来源:学优高考网.按要求完成下列句子，每空一词。11I have a red notebook.(改为一般疑问句)Do you have a red notebook?12Her brother has a soccer ball.(改为否定句)Her brother doesnt have a soccer ball.13Does he have a pingpong bat？( 作否定回答)No，he doesnt14Her aunt has four basketballs.(改为一般疑问句)Does her aunt have four bas
6、ketballs?15Paul has a_ black_jacket(对画线部分提问)What does Paul have?.补全对话。用括号内所给单词的适当形式填空，使对话完整、通顺。A：Hi，Alan！Is this your pingpong ball?B：No，it isnt.I _16_(not have) a pingpong ball.A：Is it Lindas？Does she _17_(have) a pingpong ball?B：Yes，she _18_(do)You can call and ask her.A：But she _19_(not have) a phone.B：Well，you can call her brother Dale.He _20_ (have) a phone.And I know his phone number.A：OK.Thank you.来源:学优高考网16dont _have 17.have 18.does 19.doesnt_have20has
