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现在完成时和现在完成进行时结构：现在完成时：have(has)doneIhavereadthebook.现在完成进行时：have(has)beendoingIhavebeenreadingthebook.过去完成时结构：haddoneShehadflownforonly75hoursbeforesheflewsolo（单独）fromLondontoAustraliain1930.问句：Hadsheflownforonly…?Howmanyhourshadsheflownbeforeshe…?否定句：Shehadn’tflownfor…将来完成时将来完成时表示在将来某个时间以前发生的事情。将来完成时是由“will/won’t+have+过去分词”构成。请大家看例句：1.By2003,thenumberofnativeEnglish-speakingwebuserswillhavedroppedto29%.到2003年，以英语为母语的网络使用者的人数将下降到29%2.Inabout20years’time,Spanish,French,ArabicandChinesewillalsohavetakenonthisconnectingrole.大约20年后，西班牙语，法语，阿拉伯语和汉语也将起到这种联系沟通作用。在将来完成时的句子中，大家经常看见by这个介词，这时by的意思是“到…….时候为止”。大家记住，表示在将来某个时间以前发生的事情，就用将来完成时。被动语态的构成：一般现在时：bedoneGeneticallyengineeredfoodsareproduced.现在完成时：havebeendoneBreadhasbeenmade.过去完成时:hadbeendoneThebookhadbeentranslatedintoEnglish进行时态:bebeingdoneThehospitalisbeingbuiltnow.AcakewasbeingmadewhenIcameintothekitchen.情态动词：can(should,hadto…)bedoneThenewprocessesshouldbecontrolled.Theprojecthadtobeabandoned.现在进行时的被动形式句式结构例句肯定句动作承受者+isl/am/are+being+doneTheroadisbeingbuiltbyus否定句动作承受者+is/am/are+not+being+doneTheroadisn’tbeingbuiltbyus.一般疑问句Is/Am/Are+动作承受者+being+doneIstheroadbeingbuiltbyyou?现在完成时的被动形式句式结构例句肯定句动作承受者+has/have+been+doneWehavebeeninvitedtoadancebythestudentsHehasbeentoldthenews否定句动作承受者+has/have+notbeen+doneWehaven’tbeeninvitedtoadancebythestudentsHehasn’tbeentoldthenews.一般疑问句Has/Have+动作承受者+been+doneHashebeentoldthenews?Haveyoubeeninvitedtoadancebythestudents?特殊疑问句特殊疑问词+一般疑问句Wehavebeeninvitedtoadanceforalongtime.AWhohasbeeninvitedtoadanceforalongtime?Howlonghaveyoubeeninvitedtoadance?情态动词的被动形式句式结构例句肯定句动作承受者+情态动词+be+doneThebridgecanbebuiltnextmonthThebridgemaybebuiltnextmonthThebridgemustbebuiltnextmonth否定句动作承受者+情态动词+notbe+doneThebridgecan’tbebuiltnextmonthThebridgemaynotbebuiltnextmonthThebridgemustn’tbebuiltnextmont一般疑问句情态动词+动作承受者+be+doneCanthebridgebebuiltnextmonth?Maythebridgebebuiltnextmonth?Mustthebridgebebuiltnextmont?特殊疑问句特殊疑问词+一般疑问句ThecarcanbeboughtinNanjingABA:WhatcanbeboughtinNanjingB:Wherecanthecarbebought?动词不定式的被动态tobe+doneeg:Whatistobedonenext?Anewhotelisgoingtobebuiltnextweek.Yourbikeneedstoberepaired.被动态的补充用法It+被动态+that....(say,think,believe,expect,know,report,suggest,prove)eg:Itissaidthathecanspeaktheirlanguage.Itisreportedthatheisstillalive.It’sthoughtthatthenewofficerwillcometoourtown.It’sbelievedthatwecandefeatthemtonight.