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Thesimplepresenttense 一般现在时关键词 肯定句:主语+be+其它 如:Heisaworker.Youarethirteen. 否定句:主语+be+not+其它 如:Heisnotaworker. Youaren’tthirteen. 一般疑问句:Be+主语+其它? 如:Isheaworker?Yes,heis./No,heisn’t. Areyouthirteen?Yes,Iam./No,Iamnot. 特殊疑问句:疑问词+be+主语+其它? 如:Whatishe?Whatcolouristhatbird? Howoldareyou?Wherearethey?二.实义动词的一般现在时我们已学过的be动词可译成“是”,有时译成“成为”,有时则没有具体意思如:“Sheistall.”这句译成:“她很高”。故be动词不属于实义动词。2、一般现在时实义动词作谓语的时侯有两种形式:一般现在时 结构静态句 “tobe”动态句 “todo”哪些主语是第三人称单数?一、人称代词he,she,it是第三人称单数。二、单个人名、地名或称呼作主语;是第三人称单数。三、单数可数名词或"this/that/the+单数可数名词"作主语时,是第三人称单数。 当主语是第三人称单数时,动词需变化. 动词单三的变化: 1、一般情况下,直接加s,如: reads,plays,works,makes 2、以s,x,ch,sh结尾,后加es.如: watcheswashesteaches 3、以辅音字母加o结尾,一般加es,如:does,goes 4、“元音字母+y”结尾的单词,直接在词尾加-s。 如:plays,says 5、辅音字母+y结尾的单词,去y,加ies, 如:flies,studies 6、不规则变化如:have-hasExercise1)肯定句: 主语(I/We/You/They)+实义动词原形+其他 如:IstayathomeonSaturdays. Theyhavesportseveryday. 主语(He/She/It)+实义动词单三形式+其他 如:HestaysathomeonSaturdays. Lucyhassportseveryday.2)否定句: 主语(I/We/You/They)+do+not+动词原形+其他 如:Idon’tstayathomeonSaturdays. Theydon’thavesportseveryday. 主语(He/She/It)+does+not+动词原形+其他 如:Hedoesn’tstayathomeonSaturdays. Lucydoesn’thavesportseveryday.3)一般疑问句及其肯、否定回答: Do+主语(I/we/you/they)+动词原形+其他? 如:DoyoustayathomeonSaturdays? Yes,Ido./No,Idon’t. Dotheyhavesportseveryday? Yes,theydo./No,theydon’t. Does+主语(he/she/it)+动词原形+其他? 如:DoeshestayathomeonSaturdays? Yes,hedoes./No,hedoesn’t. DoesLucyhavesportseveryday? Yes,hedoes./No,hedoesn’t.4)特殊疑问句: 疑问词+do/does+主语+动词原形+其他? 如:Whatdoyouwant? Whatdoesshewant? Whattimedoyouhavelunch? Whattimedoesshehavelunch? Whatdoyoudo? Whatdoesshedo? Howdoyouspellit? Howdoeshespellit?5.一般现在时的句型变换 1)IusuallyplayfootballonFriday. 改为一般疑问句:DoyouusuallyplayfootballonFriday? 对划线部分提问:WhatdoyouusuallydoonFriday? 2)Myfathergotoworkbybikeeveryday. 对划线部分提问: Howdoesyourfathergotoworkeveryday?一般现在时 (否定句)一般现在时 (否定句)一般现在时 (否定句)一般现在时 (否定句)一般现在时 (疑问句)一般现在时 (一般疑问句)Benismyfriend.一般现在时 (疑问句)一般现在时 (一般疑问句)Wegotoschooleveryday.Nancylikesplayingcomputergames.Benwantssomebre