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现在进行时（unit1&unit5）一．意义——当表示现在正在进行的动作或正在发生的事。二．:be(am,is,are)+动词现在分词-ing形式肯定句：主语+be+现在分词V-ing(+其他)eg:Thechildrenareplayinginthepark.否定句：主语+be+not+动词-ing+其他.eg:Thechildrenarenotplayinginthepark.一般疑问句：Be+主语+动词-ing+其他?eg:Arethechildrenplayinginthepark?Yes,theyare./No,theyarenot.特殊疑问句：特殊疑问词+be+主语+动词-ing+其他?eg:Whataretheydoingnow?三.现在分词的构成：(1)一般在动词末尾直接加ing,如：play→playingsleep→sleepinglook→lookingthrow→throwingbark→barkinglisten→listeningclimb→climbingcry→cryingcall→callingwash→washingeat→eatingbrush→brushingdrink→drinkingcomb→combingclean→cleaninggo→goingdo→doingrain→rainingtalk→talkinggrow→growingopen→openingsing→singingeat→eatingwalk→walking(2)以不发音字母e结尾的动词，先去掉e,再加ing，如：bite→bitingwrite→writinghave→havingdance→dancing(3)以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母，应双写末尾的辅音字母，再加ing,如：sittingrunningswimmingshopping四.时间标志——now，句前的look,listen现在进行时专项练习：一、写出下列动词的现在分词：play________run__________swim________eat__________go_________write________sit___________read________have_________washsleep________look_________throw________bark________listen_________climb________bite_______cry_________cleancall_________sit________shop_________brushdrinkcomb二、用所给的动词的正确形式填空：1.Thechildren__________________(play)intheparknow.2.Lingling_______________(sit)onaswingnow.3.Mymother_________________(sit)onabenchnow.4.What_____you______(do)now?5.Look.He_______________(sleep).6.Thedog____________(look)atthechildrennow.7.Look!Mingming________________(throw)stonesatthedog.8.Whatisourgranddaughterdoing?She_________(drink)water.9.It’s5o’clocknow.We_____________(have)suppernow.10.______Helen____________(wash)clothes?Yes,sheis.三、句型转换：1.Theyaredoinghousework.(分别改成一般疑问句和否定句)__________________________________________________________________________________________________________________________2．Thestudentsarecleaningtheclassroom.(改一般疑问句并作肯定和否定回答)__________________________________________________________________________________________________________________________________3．I’mplayingthefootballintheplayground.(对划线部分进行提问)_________________________________________________________________4．Tomislistening.(改为否定句)_________________________________________________________________一般现在时（unit2）一．意义1.表示事物或人物的特征、状态。如：Theskyisblue.天空是蓝色的。2.表示经常性或习惯性的动作。如：Igetupatsixeveryday.我每天六点起床。3.表示客观现实。如：Theearthgoesaroundthesun.地球绕着太阳转。二.构成及变化1.be动词的变化。肯定句：主语+be(am,is,are)+其它。如：Iamaboy.我是一个男孩。否定句：主语+be+not+其它。如：Heisnotaworker.他不是工人。一般疑问句:Be+主语+其它。如：-Areyouastudent?-Yes.Iam./No,I'mnot.特殊疑问句：疑问词+一般疑问句。如：Whereismybike?2.行为动词的变化。①当主语为第一，二人称及复数时，助动词为do肯定句：主语+动词原形(+其它)。如：Weoftenplaybasketballafterschool.否定句：主语+don't+动词原形(+其它)。如：wedon’tplaybasketballafterschool.一般疑问句：Do+主语+动词原形+其它?如：Doyouoftenplaybasketballafterschooll?Yes,wedo./No,wedon't.特殊疑问句：疑问词+以do开头的一般疑问句?如：Whatdoyouoftendoafterschool?②当主语为第三人称单数时,助动词为does肯定句：主语+动词三单式(+其它)。如：Heswimswell.否定句：主语+doesn’t+动词原形(+其它)。如：Hedoesn’tswimwell..一般疑问句：Does+主语+动词原形+其它。如：Doesheswimwell?Yes,hedoes./No,hedoesn't.特殊疑问句：疑问词+以does开头的一般疑问句?如：Howdoesyourfathergotowork?三.第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中，动词才用三单式)(1)多数动词直接加s:如：run→runsget→getslike→likesmake→makesleave→leaveswave→waveseat→eatsclean→cleansstart→startstake→takesplay→playsclimb→climbstell→tellssay→sayslook→lookspick→picksturn→turns(2)结尾是s,x,sh,ch,o,前为辅音字母,结尾加es:watch→watchesgo→goesdo→doeswash→washesbrush→brushes(3)动词末尾y前为辅音:将y改为i加es:study→studiesfly→fliescarry→carriescry→cries但在y前如果为元音则直接加s:buyssays(4)不规则变化have→has四.时间标志：always,usually,often,sometimes,every…一般现在时专项练习：一、用括号内动词的适当形式填空。1.Heoften________(have)dinnerathome.2.DanielandTommy_______(be)inClassOne.3.We_______(notwatch)TVonMonday.4.Nick_______(notgo)tothezooonSunday.5.______they________(like)theWorldCup?6.What_______theyoften_______(do)onSaturdays?7._______yourparents_______(read)newspaperseveryday?8.Thegirl_______(teach)usEnglishonSundays.9.SheandI________(take)awalktogethereveryevening.10.There________(be)somewaterinthebottle.11.Mike_______(like)cooking.12.They_______(have)thesamehobby.13.Myaunt_______(look)afterherbabycarefully.14.Youalways_______(do)yourhomeworkwell.15.I_______(be)ill.I’mstayinginbed.16.She_______(go)toschoolfromMondaytoFriday.17.LiuTao_______(do)notlikePE.18.Thechildoften_______(watch)TVintheevening.19.SuHaiandSuYang_______(have)eightlessonsthisterm.20.－Whatday_______(be)ittoday?－It’sSaturday.二、按照要求改写句子。1.DanielwatchesTVeveryevening.(改为否定句)___________________________________________________2.Idomyhomeworkeveryday.(改为一般疑问句，作否定回答)________________________________________________________3.Shelikesmilk.(改为一般疑问句，作肯定回答)___________________________4.Amylikesplayingcomputergames.(改为一般疑问句，作否定回答)___________________________________________________5.Wegotoschooleverymorning.(改为否定句)_______________________________________________________6.HespeaksEnglishverywell.(改为否定句)___________________________________________________7.Iliketakingphotosinthepark.(对划线部分提问)________________________________________________________8.JohncomesfromCanada.(对划线部分提问)___________________________________________________9.Sheisalwaysagoodstudent.(改为一般疑问句，作否定回答)___________