Unit4语法专项课件一般过去时（II）冀教版英语七年级下册

教学课件冀教英语七年级下册Unit4语法专项——

一般过去时（II）

全解精讲+分层练习

学习目标1.掌握一般过去时（II）的基本概念。2.熟记本单元不规则动词过去式。3.熟练运用肯定句、否定句、疑问句。4.能结合时间标志词正确使用时态。5.完成各类题型，提升语法运用能力。什么是一般过去时（II）本单元重点：不规则动词的过去式用法。描述过去发生的动作或状态。描述过去习惯性、经常性的行为。用法规则和一般过去时（I）完全一致。核心区别：动词过去式为不规则变化。规则vs不规则动词（对比）1.规则动词：+ed/d/ied，有固定规律。2.不规则动词：无统一变化，需单独记忆。3.本单元重点记忆：go—went，do—did等。4.句式结构：肯定、否定、疑问用法不变。5.时间标志词和一般过去时（I）相同。be动词过去式（基础）原形过去式用法amwas主语Iiswas单数主语arewere复数主语was用于单数主语，were用于复数主语。否定：wasnot=wasn’t；werenot=weren’t。核心不规则动词表（1）原形过去式中文gowent去dodid做havehad有；吃getgot得到saysaid说核心不规则动词表（2）原形过去式中文givegave给hearheard听见writewrote写loselost丢失forgetforgot忘记一般过去时（II）肯定句结构：主语+不规则动词过去式。无人称、数的变化，直接用过去式。例句：Shewenttoschoolyesterday.例句：Theyhadagoodtimelastweek.注意：动词必须用过去式，不能用原形。肯定句例句精讲1.Hegavemeabookyesterday.（give—gave）2.Igotupat6:00lastMonday.（get—got）3.Shewrotealettertoherfriend.（write—wrote）4.Wedidourhomeworklastnight.（do—did）

口诀：过去发生动作，动词变过去式。一般过去时否定句（规则）1.结构：主语+didn’t+动词原形。2.关键词：didn’t=didnot，所有人称通用。3.重点：didn’t后必须跟动词原形。4.过去式要还原，不能再用went/had等。例句：Hedidn’tgotoparkyesterday.否定句易错点提醒错误：Hedidn’twent…→正确：didn’tgo。错误：Shedidn’thad…→正确：didn’thave。只要出现didn’t，后面动词一律用原形。时间状语放在句末即可。否定句不改变时间标志词。否定句例句练习1.Ididn’tlosemykeylastweek.2.Theydidn’thearthenewsjustnow.3.Shedidn’twriteadiaryyesterday.4.Wedidn’thaveclasseslastSunday.口诀：didn’t打头阵，动词现原形。一般过去时一般疑问句1.结构：Did+主语+动词原形？2.Did放句首，后面动词必须用原形。3.回答：Yes,主语+did./No,主语+didn’t.例句：DidyougotozoolastSaturday?注意：went→go，had→have，gave→give。一般疑问句回答规则1.肯定回答：Yes,I/you/he/she/theydid.2.否定回答：No,I/you/he/she/theydidn’t.3.回答中不用动词过去式，只用did/didn’t。例句：—Didhegetagift?—Yes,hedid.例句：—Didtheyforgetit?—No,theydidn’t.特殊疑问句（结构）1.结构：疑问词+Did+主语+动词原形？2.常用疑问词：what,where,when,who等。例句：WheredidyougolastSunday?例句：Whatdidshedoyesterday?特殊疑问词+一般疑问句语序。殊疑问句易错点1.疑问词后紧跟Did，再接主语。2.动词依然用原形，不能用过去式。3.对地点提问用where，对事情用what。例句：Whendidtheybegintheclass?口诀：疑问词放前面，did紧跟在后面。时间标志词（必背）1.yesterday（昨天）2.lastweek/lastmonth/lastyear（上周/上月/去年）3.justnow（刚才）4.…ago（……以前）5.in2023（在过去某一年）看到以上词，优先用一般过去时。时态判断小技巧1.先找时间标志词，确定过去时间。2.看动词：规则+ed，不规则记变形。3.否定/疑问：一律用didn’t+动词原形。4.肯定句：直接用不规则过去式。5.检查：动词形式是否正确。基础练习一——动词变过去式1.am→__________2.go→__________3.hear→__________4.give→__________5.write→__________6.do→__________7.have→__________8.say→__________9.get→__________10.forget→__________11.lose→__________12.bring→__________13.begin→__________14.keep→__________要求：写出下列动词的不规则过去式。waswentheardgavewrotedidhadsaidgotforgotlostbroughtbegankept基础练习二——用所给词适当形式填空1.I_________(go)toBeijinglastsummer.2.She_________(notdo)herhomeworkyesterday.3._________you_________(get)apresentlastweek?4.They_________(hear)astrangenoisejustnow.5.He_________(lose)hispenyesterdaymorning.wentdidn’tdoDidgetheardlost基础练习二

6.We_________(have)apartylastSunday.7.Mymother_________(give)meanewbag.8.What_________you_________(do)yesterday?9.She___________(notwrite)aletterlastnight.10.They_________(forget)thetimethismorning.hadgavediddodidn’twriteforgot句型转换练习——改否定句(规则：didn’t+动词原形。)1.Iwenttothelibraryyesterday.→____________________________________2.Hehadbreakfastat7:00.→____________________________________3.Theygavesomefoodtothepoor.→____________________________________4.Shewroteastorylastweek.→____________________________________Ididn’tgotothelibraryyesterday.Hedidn’thavebreakfastat7:00.Theydidn’tgiveanyfoodtothepoor.Shedidn’twriteastorylastweek.句型转换练习——改一般疑问句1.Yousawafilmlastnight.→____________________________________2.Hegotuplateyesterday.→____________________________________3.TheydidhouseworklastSunday.→____________________________________规则：Did+主语+动词原形？Didyouseeafilmlastnight?Didhegetuplateyesterday?DidtheydohouseworklastSunday?句型转换练习——对划线部分提问1.Iwenttotheparkyesterday.（地点）→____________________________________2.Shedidherhomeworklastnight.（动作）→____________________________________3.TheyhadapartylastMonday.（时间）→____________________________________Wheredidyougoyesterday?Whatdidshedolastnight?Whendidtheyhaveaparty?单项选择

1.He______toschoolyesterday.A.goB.goesC.went2.They______TVlastnight.A.watchB.watchedC.watches3.Didyou______yourhomework?A.doB.didC.does4.She______tomusiclastweek.A.listenB.listenedC.listensCBAB单项选择

1.—Didyougotozoo?—Yes,I______.A.doB.didC.am2.Hedidn’t______hisbag.A.loseB.lostC.losing3.Where______yougoyesterday?A.doB.didC.does4.They______agoodtimelasttrip.A.haveB.hasC.hadBABC英汉互译

1.我昨天去了超市。→____________________________________2.他上周没有写作业。→____________________________________3.你刚才听见那个声音了吗？→____________________________________4.他们上个月举办了一场聚会。→____________________________________Iwenttothesupermarketyesterday.Hedidn’tdohishomeworklastweek.Didyouhearthatnoisejustnow?Theyhadapartylastmonth.情景补全对话A:Where________yougoyesterday?B:I________tothebookstore.A:________youbuyanybooks?B:Yes,I________.I________astorybook.A:What________youdolastSunday?B:I________myh