九年级英语语法专题：现在完成时课件.ppt

welcometoourclass 现在完成时态presentperfect 时态 tense 不同时间发生的动作 动词要用不同形式 已学习过的时态 已学习过的时态 1 v 2 v s es 三单现 am is are v ing 1 will shall v 2 am is aregoingto v 1 v ed 规则动词 2 不规则动词 was were v ing have hasbeenv ing 判断下列句子的时态 1 sheworksinafactory 2 iwasdoingmyhomeworkatthistimeyesterday 3 wearegoingtohaveapicnicthissunday 4 theyheldasportsmeetinglastweek 5 areyouhelpingyourmother 6 ihavebeensittinghereforanhour 一般现在时 过去进行时 一般将来时 一般过去时 现在进行时 现在完成进行时 现在完成时 1 过去发生的动作对现在造成的影响或结果 和already never ever just before yet等状语连用 2 过去已经开始 持续到现在的动作或状态 常与for或since引起的一段时间状语连用 动词构成 have has v过去分词 havebreakfast ihavejusthadmybreakfast 现在我不饿 i mnothungrynow movedherein2004 istilllivehere ihavelivedhereforthreeyears ihavelivedheresince2004 threeyearsago now past 现在完成时动词构成have has v过去分词 助动词 否定 haven thasn t 疑问 haveyou hashe 翻译 english chinese finish homework ihavefinishedmyhomework hehasfinishedhishomework haven t hashe yes hehas no hehasn t 1 翻译这两句话 2 第一句变成否定句 3 第二句变成一般疑问句并回答 have has been和have has gone的区别 wherehashebeen wherehashegone have has been 表示曾经到过某地 人现在不在某地 have has gone 表示已经去过某地了 人现在在去某地的路上或已经在某地了 翻译 他去哪儿的 他已经回来了 他去哪儿了 他不在这里 练 shehasbeentoshanghai shehasgonetoshanghai 她成为一名护士已经三年了 我五年前就认识李雷了 那些相片我已经寄给他了 post 我来到这个学校后 他就一直教我 我刚丢了我的历史书 shehasbeenanurseforthreeyears ihaveknownlileisincefiveyearsago ihavealreadypostedthephotostohim hehastaughtmesinceicametotheschool ihavejustlostmyhistorybook know knew known teach taught taught lose lost lost chinese english payattention注意 1 现在完成时句中常见的时间状语a 表示从过去一直持续到现在 不能是具体过去时间 1 for 表示一段时间的短语 2 since 表示过去时间点的词语 3 since 表示过去时间的时间状语从句 eg ihavebeenateacher ayear hehasbeenatthisschool 1992 wehavelearned1 000englishwords wecametothisschool for since since b just already yet before ever never有此类副词时 常强调动作完成 不强调动作的持续 eg haveyou beentojapan ihave finishedmyhomework ihavefinishedmyhomework ihaven tfinishedmyhomework ever just already yet 2 区分短暂性动词与持续性动词 表示短暂性 瞬间性 的动词在现在完成时的句中不能和一段时间连用 短暂性的动词如 come go join leave buy等 在完成时态中不能与for since短语或howlong等引起的时间状语连用 ihaveboughtthispenfortwomonths ihavehadthispenfortwomonths howlonghaveyou thispen had theteacherhasleft theteacherhasbeenawayforhalfanhour beaway 改错 howlonghaveyoubecomealeaguemember formorethanoneyear haveyouarrivedheresincelastnight yes you reright hehasgonetoshanghaitwice howlonghavebeenatthisschool sincetwoyears been been been ago for 改写句子 homework 改写句子 1 myfathercamebackfromthebookshopjustnow myfather just thebookshop 2 hebegantolearnchinesein2001 he chinesesince2001 3 thefilmbegantwominutesago thefilm sincetwominutesago 4 hehashadthemotorbikefortwoyears it stwoyears he themotorbike he themotorbiketwoyears twoyears