1、单元语法小专题(Grammar Focus)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、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，其主语一般是人，有时也可以是物。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、二人称单复数或第三人称复数代词作主语的句子中；has
2、 为 have 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。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 如：We dont have the key.我们没有钥匙。She doesnt have a tennis ball.她没有网球。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，当主语是第三人称单数时，助动词用 does；当主语是非第三
3、人称单数时，助动词用 do。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.2They have a color TV.They dont have a radio.3She has a CD player.Its on the desk.4I dont have a computer，b
4、ut Tom has one.5Does he have a clock?No，he doesnt 6Do 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 siste
5、rs?.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 doesnt 14Her aunt has four basketballs.(改为一般疑问句)Does her aunt have four basketballs?15Paul has a_ bl
6、ack_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.16dont _have 17.have 18.does 19.doesnt_have20has
