.精选范本新概念2A总复习Part1时态现在进行时：表示说话时正在做的事情1、基本结构：be+doing（do代指所有动词原形）肯定句：主语+am/is/are+doing......Mymotheristalkingwiththedentist.否定句：主语+am/is/arenot+doing...Theyaren’tplayinggames.一般疑问句：Is/Are+主语+doing...?Yes,主语+am/is/are...Isshewaitingforabus?No,主语+am/is/arenot.特殊疑问句：特殊疑问词+is/are+主语+doing....?Wherearetheydoingtheirhomework?动词现在分词变化规则：一般情况下,直接在动词后加－ingwork----workingsleep-----sleepingstudy-----studying2)动词以不发音的－e结尾,要去－e加－ingtake-----takingmake-----makingdance-----dancing3)重读闭音节的动词,要双写词尾字母,再加－ingcut-----cuttingput-----puttingbegin------beginning4)以－ie结尾的动词,把变成y再加－inglie-----lyingtie-----tyingdie-----dying一般现在时：表示客观事实、真理经常发生、有规律的事情1、基本结构：带有be动词:主语+am/is/are+肯定句：主语+am/is/are+n./adj./prep.短语...Theskyisblue.Mymusicbookisinthebag.否定句：主语+am/is/arenot+n./adj./prep.短语...Itisn’tmymagazine.Thecurtainisn’tclean.一般疑问句：Is/Are+主语+n./adj./prep.短语...?Yes,主语+am/is/are.Aretheseglovesyours?No,主语+am/is/arenot.Isthereanywaterinthejug？特殊疑问句：特殊疑问词+is/are+主语+n./adj./prep.短语....?Whichoneisright?Whoisthemaninablackhat?带有实义动词：主语+(never/sometimes/often/usually/always)v.原形/v.三单+....(everymorning/day/week.)do/does/did:照妖镜，后面的动词要现原形肯定句：主语+v.原形/三单+.......Theyusuallyliveindryplaces.Itsometimesrainsinsummer.否定句：主语+don’t/doesn’t+v.原形+.......Wedon’tgotoschoolonweekends.Lindadoesn’twalktoschool,butshegoesbycar.一般疑问句：Do/Does+主语+v.原形.......？Yes,主语+do/does.Doyoualwaysarriveatschoolveryearly?No,主语+don’t/doesn’t.DoesLucyhavearesteveryafternoon?特殊疑问句：特殊疑问词+do/does+主语+v.原形.......?发音:清辅音后/s/浊辅音和元音后/z/Howdoyougotoschooleverymorning?Whydoesshealwaysarrivesolate?动词第三人陈单数变化规则：1)一般直接在动词尾直接加s.如：play—plays,want—wants,work—works,know—knows,help—helps,get—gets2)以字母s、x、ch、sh结尾的动词加-es发音/iz/；如：guess—guesses,fix—fixes,teach—teaches,brush—brushes,watch—watches,catch—catches3)以辅音字母＋y结尾的动词,先变y为i,再加-es.发音/z/如：study—studies,carry—carries,fly—flies,worry—worries1、学生们在干什么？有一些在打电话，另一些躺在沙滩上。__________thestudents_____?Some__________onthephone,_____________onthebeach.2、“格林先