2012初中英语语法复习——现在完成时课件

Thepresentperfecttense 现在完成时 1 过去某一时间点发生的动作对现在产生影响 功能 2 过去某一时间点发生的动作持续到现在或还将持续下去 Thepresentperfecttense 助动词 可以帮助构成肯定 疑问和否定句 1 Hehascleanedhisroom 写一个一般疑问句 Hashecleanedhisroom 2 ShehaslivedinLondonforfouryears 划线部分提问 HowlonghasshelivedinLondon 3 HehasbeentoChina 写出反义疑问句部分 hasn the 4 Theyhavecomebackfromwork 写否定句 Theyhaven tcomebackfromwork WhatarethekeywordsforthePresentPerfectTense A yourbrother hishomeworkyet finish B Yes he salreadydoneit Keywords Hasfinished yet already 注意 already用于肯定句 yet用于疑问句和否定句中 A youever tothepark be B No never Keywords Havebeen yet already ever never 注意 ever曾经用于疑问句中never从不带有否定意义 I just thedesk youcantakeittoyourclassroom mend Keywords havemended yet ever never just already Just刚刚与现在完成时连用一般置句中Justnow刚才与一般过去时连用 Tom inthefactorysinceheleftschooltenyearsago work Keywords hasworked yet ever never since already since后面带过去时间或有一般过去时的句子 A Howlong you inthisschool teach B For6years Keywords havetaught yet ever never since for already 一段时间 We only 100treessofar answer Keywords haveplanted yet ever never since for just already sofar 到目前为止 Keywords yet ever never since for just before already sofar inthepast10years twice 也可以是其他表示次数的词 howlong Someverbscan toftenbeusedwith for or since Pleasepointoutanymistakesandcorrect Shehasboughtthecomputerfortwoyears had Pleasepointoutanymistakesandcorrect HowlonghaveyoucometotheUnitedStates beenin Pleasepointoutanymistakesandcorrect AnnhasgonetoChinasincethreemonthsago beenin Pleasepointoutanymistakesandcorrect Mybrotherhasjoinedthearmyforfiveyears beenin beenasoldier Pleasepointoutanymistakesandcorrect IhaveleftShanghaifor3days beenawayfor3days Pleasepointoutanymistakesandcorrect Ihaveborrowedthedictionarysince3daysago kept Pleasepointoutanymistakesandcorrect Thefilmhasbegunfor10minutes beenon Pleasepointoutanymistakesandcorrect Theconcerthasfinishedforhalfanhour beenover Pleasepointoutanymistakesandcorrect Hisdoghasdiedfortwoyears beendead canyoudistinguish 去过某地已经回来常与ever never once twice 连用 一直留在某地与for since连用用howlong提问 去了某地还没回来不与只用于第三人称 Hersister Australia Sheleftthismorning hasgoneto canyoudistinguish 去过常与ever never once twice 连用 在 与时间段连用用howlong提问 去了说话时某人不在只用于第三人称 A WhereisBob B He Japanwithhissister hasgoneto canyoudistinguish 去过常与ever never once twice 连用 在 与时间段连用用howlong提问 去了说话时某人不在只用于第三人称 A Howlong you China B I herefor3years havebeen havebeenin canyoudistinguish 去过常与ever never once twice 连用 在 与时间段连用用howlong提问 去了说话时某人不在只用于第三人称 A youever thecity B No never Havebeento Thepasttenseorthepresentperfecttense know haveknown knew Thepasttenseorthepresentperfecttense saw have lost Thepasttenseorthepresentperfecttense have did move lived Thepasttenseorthepresentperfecttense did hasfinished see saw method2 Itis 时间段since 一般过去时的句子 他的爷爷已经去世2年了 Nick参军3年了 他离开深圳好长时间了 这本书我已借了4个月了 Itis2yearssincehisgrandpadied Itis3yearssinceNickjoinedthearmy ItisalongtimesinceheleftShenzhen Itis4monthssinceIborrowedthebook 3 表示一直持续到现在的状态Themeetinghaslastedfivedays 4 在时间状语从句 条件状语从句或让步状语从句中表达将来某时已经完成的动作WhenyouhavelearnedEnglish youwillfinditabridgetosomuchknowledge We llstartatsixifithasstoppedrainingbythen 这里的现在完成时强调从句动作在主句动作之前完成 如果两个动作同时或几乎同时发生 则不必用完成时 试比较 I llletyouknowassoonasIhearf