初中英語 現(xiàn)在完成時語法復(fù)習(xí)課件 仁愛版.ppt

thepresentperfecttense 現(xiàn)在完成時 1 過去某一時間點發(fā)生的動作對現(xiàn)在產(chǎn)生影響 功能 2 過去某一時間點發(fā)生的動作持續(xù)到現(xiàn)在或還將持續(xù)下去 thepresentperfecttense 助動詞 可以幫助構(gòu)成肯定 疑問和否定句 1 hehascleanedhisroom 寫一個一般疑問句 hashecleanedhisroom 2 shehaslivedinlondonforfouryears 劃線部分提問 howlonghasshelivedinlondon 3 hehasbeentochina 寫出反義疑問句部分 hasn the 4 theyhavecomebackfromwork 寫否定句 theyhaven tcomebackfromwork whatarethekeywordsforthepresentperfecttense a yourbrother hishomeworkyet finish b yes he salreadydoneit keywords hasfinished yet already 注意 already用于肯定句 yet用于疑問句和否定句中 a youever tothepark be b no never keywords havebeen yet already ever never 注意 ever曾經(jīng)用于疑問句中never從不帶有否定意義 i just thedesk youcantakeittoyourclassroom mend keywords havemended yet ever never just already just剛剛與現(xiàn)在完成時連用一般置句中justnow剛才與一般過去時連用 tom inthefactorysinceheleftschooltenyearsago work keywords hasworked yet ever never since already since后面帶過去時間或有一般過去時的句子 a howlong you inthisschool teach b for6years keywords havetaught yet ever never since for already 一段時間 we only 100treessofar answer keywords haveplanted yet ever never since for just already sofar 到目前為止 keywords yet ever never since for just before already sofar inthepast10years twice 也可以是其他表示次數(shù)的詞 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 去過某地已經(jīng)回來常與ever never once twice 連用 一直留在某地與for since連用用howlong提問 去了某地還沒回來不與只用于第三人稱 hersister australia sheleftthismorning hasgoneto canyoudistinguish 去過常與ever never once twice 連用 在 與時間段連用用howlong提問 去了說話時某人不在只用于第三人稱 a whereisbob b he japanwithhissister hasgoneto canyoudistinguish 去過常與ever never once twice 連用 在 與時間段連用用howlong提問 去了說話時某人不在只用于第三人稱 a howlong you china b i herefor3years havebeen havebeenin canyoudistinguish 去過常與ever never once twice 連用 在 與時間段連用用howlong提問 去了說話時某人不在只用于第三人稱 a youever thecity b no never havebeento thepasttenseorthepresentperfecttense know haveknown knew thepasttenseorthepresentperfectten