贵州省贵阳市花溪二中八年级英语下册《Unit 4 Lesson 1》过去完成时态课件2 人教新目标版.ppt

过去完成时态1 过去完成时态的构成 肯定式 had 动词的过去分词否定式 hadn t 动词的过去分词疑问式 had 动词的过去分词简略回答 yes 主 had no 主 hadn t 缩写形式 i d he d we d they d 过去完成时的用法 1 表示在过去某一时间或动作之前已经发生或完成的动作 他表示的时间是过去的过去 常与bylastyear bythetimeofyesterday 等连用 如 shesaidshehadseenthefilm4times whenmrligottotheclassroom allthestudentshadbegunreading bythetimetheyarrived thebushadleft 2 表示从过去某一时间开始一直延续到过去另一时间的动作或状态 常与for 后跟段时间 或since 后跟点时间 等连用 如 shehadworkedinthisschoolsinceitopened25yearsago 1 he inshanghaiuniversityforfouryearsbeforehe beijing a studied hadgoneb hadstudied wentc hasstudied goesd hadstudied hadgone 2 marysaiditwasatleastfiveyearssincehe agooddrink a enjoyedb wasenjoyingc hadenjoyedd wouldenjoyitwas 时间段 since引导的从句中用过去完成时 3 xiaopeisaidshe hainanfor3months a hasbeeninb hadbeeninc hadbeentod hadgoneto 二 主语 过去完成时 by短语 例如 we fourthousandnewwordsbytheendoflastyear a hadlearnedb havelearnedc learnedd willhavelearned根据by短语中的lastyear得知 正确选项为a 过去完成时常用句型 一 主语 过去完成时 when引导的从句 从句谓语动词为过去式 例如 tomwassurprisedthatmostoftheguests whenhe attheparty a left hadarrivedb left arrivedc hadleft hadarrivedd hadleft arrived 三 主语 过去完成时 bythetime引导的从句 从句谓语动词为过去式 例如 hehadalreadybuilthisownlabbythetimehewasten 到十岁时 他已经建起了自己的实验室 四 主语 过去完成时 before引导的从句 从句谓语动词为过去式 例如 hehadstudiedenglishforfiveyearsbeforehecamehere 来这儿之前 他已经学过五年英语了 五 itwas 时间 since 主语 过去完成时 例如 theyaskedmetohaveadrinkwiththem isaidthatitwasatleasttenyearssincei agooddrink a hadenjoyedb wasenjoyingc enjoyedd hadbeenenjoying 六 表示过去未曾实现的愿望 打算或意图 用过去完成时 常用动词有 hope think expect intend mean suppose want等 例如 theyhadwantedtohelpbutcouldn tgethereintime 他们本来是要来帮忙的 但未能及时赶到 课外练习 时态综合练习 用我们所学的时态完成下列句子 1 betty be notin she go tothelibrary she leave twohoursagoandshe be backinhalfanhour is went left willbe 2 flora be agoodteacher she teach usgeography thirtyyearsagoshe come toourschooland begin toteach she be ateachersincethen is teaches came began hasbeen 3 look therain stop andthesun shine again whynotgoout 4 george go tohongkong heisnothere 5 henry be tohongkong hehasgotlotsofphotosofthiscity stops shines went hasbeen 6 jack be inhongkongfortwoweeks heisnowvisitingsomeinterestingplacesthere 7 you see thecartoonlotuslantern no notyet 8 there be anotherbridgeacrosstheriverinthecomingyear hasbeen haveseen willbe 9 thesun rise intheeast 10 themoon rise nowit hang highupinthesky 11 linda get twopostcardsfromherunclejustnow 12 itwasalreadyeleveno clock kate still work onthemathsproblems rises rises ishanging got wasstillworking 13 we have supper suddenlythelight go out 14 mary not go overherlessonscarefullyandshe fail theexamagain 15 thetrain arrive no it come infourminutes werehaving went hadn tgone failed hasarrived willcome 选择题 1 he toschooltomorrow a isn tgoingb doesn tgoc goes2 theyaregoinghiking a nextsundayb onsundaysc ontheevening3 howisshe tothebookstore a gob goesc going 4 helikes a collectb collectingc collects5 areyougoingto themuseumwithme a visitb visitsc visiting6 where ssarah she insects a watchesb watchingc iswatching 7 annworkataprimaryschool a areb doc does8 mymotheroften sportsintheevening a dob doesc doing9 everyonecan t water a leavesb livec leave 10 eachstudentinourclass hard a studiesb studiedc studying11 listen somegirls a singb aresingingc sang12 she herbagyesterday a washesb washedc iswashing13 tomusually hergrandparentsonsundays a visitsb visitingc visit 14 let s anenglishclassnow a haveb havingc has15 look he abook a readsb readingc isreading16 we mountainsnextsaturday a climbb areclimbingc aregoingtoclimb 17 what you thisweekend a do dob are doingc are goingtodo18 you thefootballgamethisafternoon a do watchb are watchingc are goingtowatch19 youfeelwell a areb isc do 20 mythroat a ishurtb sorec hurts21 what yourteacherlike he sstrong a dob doesc is22 therobottired a doesb doc is23 yournoses