中考专项复习——现在完成时复习课件.ppt

现在完成时复习 ReviewofthePresentPerfectTense 现在完成时的构成 have has 动词的过去分词 注 动词过去分词的构成分为规则变化和不规则变化 规则变化的动词过去分词与过去式是一样的 不规则变化的动词须特殊记忆 规则动词过去分词的构成 1 一般在动词后直接加 ed 构成规则 2 以不发音的e结尾的动词 直接加 d 3 末尾只有一个辅音字母的重读闭音节词 先双写这个辅音字母 再加 ed 4 结尾是 辅音字母 y 的动词 先变 y 为 i 再加 ed 例词 looklooked playplayed livelived hopehoped stopstopped planplanned studystudied carrycarried 写出下列动词的过去分词 worklikecrystaylearn usehelpfinishcookarrive worked liked cried stayed learned used helped finished cooked arrived 不规则动词过去分词的构成 1 三个主要动词 is ambeare waswere been have has had had do does did done 2 AAA型 三者一致 cutcutcut letletlet putputput costcostcost readreadread 3 ABA型 过去分词与原形一致 comecamecome becomebecamebecome runranrun 4 ABB型 过去分词与过去式一致 bringbroughtbrought findfoundfound hearheardheard keepkeptkept makemademade 此外还有leave win tell spend say meet等等 5 ABC型 三者不一致 eatateeaten givegavegiven writewrotewritten seesawseen getgotgotten beginbeganbegun 此外还有go take know speak swim等等 现在完成时的用法 1 表示已完成的某一动作对现在造成的影响或结果 1 标志词 already yet 多用于陈述句 位于have has后 有时位于句末 e g Ihavealreadyfinishedmyhomework 用于疑问句和否定句 位于句尾 e g Haveyoufoundyourlostbookyet Ihaven thadbreakfastyet ever never 多用于疑问句 问初次经历 e g HaveyoueverbeentoBeijing 用于否定句 位于have has后 e g Hehasneverarguedwithotherpeople just before 多用于陈述句 位于have has后 e g Lucyhasjustwashedherclothes 可用于各句式 位于句尾 e g Ihavereadthisbookbefore Hehasn tbeenabroadbefore HaveyouflowntoHainanbefore 2 无标志词的 e g Heisnotfeelingwellnow Hehascaughtacold Ihavelostthekey Ican tgointomyroom 2 表示从过去已经开始 持续到现在的动作或状态 标志词 1 for 一段时间e g Wehavelivedinthiscityfortenyears 2 since 过去点时间since 一段时间 agosince 从句 从句用一般过去式 e g Hehasworkedheresince1990 Shehastaughtinthisschoolsincetwoyearsago Wehaveknowneachothersincewemet 3 sofar once twice threetimes allone slife e g Theyhavelearnt2000wordssofar Tomhasseenthefilmtwice Herfatherhasworkedinthefactoryallhislife 4 inthepast 一段时间duringthelast 一段时间 e g Theyhavebuiltmanyhighbuildingsinthepastthreeyears Greatchangeshavetakenplaceinmyhometownduringthelasttwoyears 3 have hasbeentohave hasgonetohave hasbeenin 曾经去过某地 到某地去了 在某地呆了多长时间 1 A Where sJim LiLei B He hisschoollibrary 2 TheGreens Chinaforthreeyears 3 We theGreatWalltwice It sverybeautiful hasgoneto havebeenin havebeento 翻译下列句子 她曾经去过上海 ShehasbeentoShanghaibefore 他在上海10年了 HehasbeeninShanghaifortenyears 他去上海了 HehasgonetoShanghai 肯定句 主语 have has 过去分词 其他成分 现在完成时态的句式 否定句 主语 have has not 过去分词 其他成分 3 一般疑问句 Have Has 主语 过去分词 其他成分 4 特殊疑问句 特殊疑问词 have has 其他成分 肯定句 Ihavecleanedmybedroom 否定句 Ihaven tcleanedmybedroom 一般疑问句 Haveyoucleanedyourbedroom 现在完成时和一般过去时的区别 现在完成时 强调这一动作产生的结果对现在的影响 与现在有关 一般过去时 仅仅表示在过去某一时刻曾发生过这一动作 与现在无关 HehasstudiedEnglishforfiveyears HestudiedEnglishforfiveyears 学习英语已经五年了 现在仍然在学 只说明他过去学过五年英语 但现在不学了 EXERCISE He work inourschoolforoneyear 2 He come toourschoollastyear in2002 3 They cook thesupperalready 4 They cook thesupperhalfanhourago hasworked came havecooked cooked 1 HaveyoumetMrLi just ago before amomentago 2 Thefamouswriter onenewbookinthepasttwoyear iswriting waswriting wrote haswritten 3 Ourcountry alotsofar Yes Ihopeitwillbeeven haschanged well changed good haschanged better changed better 4 HarryPotterisaverynicefilm I ittwice willsee haveseen saw see 5 ThesefarmershavebeentotheUnitedStates Really When