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为have的第
2、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 。He has a brother.他有一个哥哥。2否认句: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?肯定答复:Yes,主语do/does.否认答复: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;当主语是非第三人称单数时,助动词用do。如
3、:w W w . Does Eric have an uncle?埃里克有叔叔吗?Yes,he ,他有。Do they have a computer?他们有吗?No,they ,他们没有。语法精练.用have,has,do,does,dont或doesnt填空。1I _ a book and he _ a pen.2They _a color TV. They _ have a radio.3She _a CD player. Its on the desk.4I _ have a computer,but Tom _ one.5Does he _ a clockNo,he _.6Do yo
4、u _ a backpackYes,I _.7Does Cindy _ a rulerYes,she _.根据汉语提示完成句子,每空一词。8海伦没有白色的夹克衫。Helen _ _ a white jacket.9布朗夫人只有一个女儿,没有儿子。Mrs. Brown only _ a daughter. She _ _ a son.10郑凯有兄弟姐妹吗?w W w . _ Zheng Kai _ brothers or sisters.按要求完成以下句子,每空一词。11I have a red notebook.(改为一般疑问句) _ you _ a red notebook12Her bro
5、ther has a soccer ball.(改为否认句)Her brother _ _ a soccer ball.13Does he have a pingpong bat?(作否认问答)No,_ _.14Her aunt has four basketballs.(改为一般疑问句) _ her aunt _ four basketballs15Paul has a black jacket(对画线局部提问) _ _ Paul _?.情景交际。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 ballB:No,it isnt
6、. I _16_ (not have) a pingpong ball.A:Is it Lindas?Does she _17_ (have) a pingpong ballB: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. 16_17._18._19_20._ 单元语法小专题(Grammar Focus);has;dont4.dont;has;doesnt6have;do;does.8.doesnt have;doesnt have;have;have12.doesnt have doesnt;have does;have.16.dont have19.doesnt have