现在完成时态 (2).ppt

于家房九年一贯制学校于家房九年一贯制学校 于畅于畅1.We have learnt a bit of tai chi .2.We have learnt to use chopsticks.3.The teachers have introduced us to Chinese painting.4.We have also tried to paint some pictures.5.It has been a fantastic experience so far.6.I havent had much success yet .7.We have already learnt a lot about Chinese culture and history.8.We have made many new friends.上一页下一页主菜单The present perfect tense现在完成时现在完成时 主菜单上一页下一页现在完成时的构成现在完成时的构成现在完成时的主要用法现在完成时的主要用法现在完成时的时间状语现在完成时的时间状语与一般过去时的用法比较与一般过去时的用法比较 现在完成时的构成现在完成时的构成上一页下一页助动词助动词have have (has(has）+ + 过过去分词去分词否定式：否定式：I/You/We/They/She/He/It +_/_+过去分词过去分词疑问式：疑问式：Have +I/you/they/we+过去分词过去分词? Yes,I/you/they/we have. No,I/you/they/we_. Has + she/he/it +过去分词过去分词? Yes,she/he/it has. No,she/he/it _.havent hasnthaventhasnt（1）一般动词词尾）一般动词词尾+ed worked finished ( 2) 以字母以字母 e 结尾结尾 +d loved liked ( 3) 辅音字母辅音字母+y改为改为i+ed studied carried ( 4) 重读闭音节，结尾只有一个辅音字母，双重读闭音节，结尾只有一个辅音字母，双 写该字母写该字母+ed stopped planned 规则动词过去分词的构成规则动词过去分词的构成上一页下一页 Typeoriginal p.t p.pcostcostcostreadreadreadmeetmetmetcatchcaughtcaught rideroderiddenspeakspokespokenseesawseendrinkdrankdrunkeatateeatenABBAAA ABC背诵背诵P141，142 不规则动词表不规则动词表He works I liveWe are They playShe learns Tom goesIt eats You seeLily and I make Kitty has 把下面的句式变成现在完成时态把下面的句式变成现在完成时态He has worked I have livedWe have beenThey have playedShe has learntTom has goneIt has eatenYou have seenLily and I have made Kitty has had 主菜单现在完成时的主要用法现在完成时的主要用法一.表示从过去某一时刻开始并一直延续到现在的动作或事情,但动作或事情现在已经结束。上一页下一页Someone has just turned off the light. Someone has just turned off the light. I have already finished my homework.I have already finished my homework.有人刚把灯关了。有人刚把灯关了。我已经完成了我的作业。我已经完成了我的作业。现在完成时的主要用法现在完成时的主要用法二.表示从过去某一时刻开始并一直延 续到现在的动作或事情,但动作或事情可能仍在继续。(通常使用since,for短语)上一页下一页1.Our city has changed a lot since1.Our city has changed a lot since I was I was born.born.2.I have learnt English for more than 2.I have learnt English for more than ten years.ten years.自我出生以来，我们的城市已经变了许多。自我出生以来，我们的城市已经变了许多。我已经学习英语十多年了。我已经学习英语十多年了。三.表示人曾有过或到目前为止从未有过的经历.上一页下一页1.Have you ever been to the Summer 1.Have you ever been to the Summer Palace?Palace?( (你曾去过颐和园吗你曾去过颐和园吗?) ?)2.I have never had a car.2.I have never had a car. ( (我从未有过汽车。我从未有过汽车。) )主菜单have been 与have gone 的用法比较 Have/has been to a place 意思是意思是“到过，去过到过，去过”，表示曾经到过，表示曾经到过某处，但现在人不在那儿。某处，但现在人不在那儿。Have/has gone to 意思是意思是“去了去了”，表示已经去了某地，现在人可能表示已经去了某地，现在人可能在去的途中或已在那儿了。在去的途中或已在那儿了。上一页下一页主菜单Have/has been in 表示已经在某地了。表示已经在某地了。1.Has she ever been to Nanjing? 她曾去过南京吗？她曾去过南京吗？2.You have never been there, have you? 你以前从未去过那儿，是吗？你以前从未去过那儿，是吗？3.I have been to Guiling ,I went there last year. 我去过桂林，我去年去的。我去过桂林，我去年去的。4.She has gone to Nanjing. 她已经去南京了。她已经去南京了。5.I have been in Liaozhong since I was born . 自我出生我就住在辽中。自我出生我就住在辽中。上一页下一页主菜单现在完成时的现在完成时的时间状语时间状语常与常与连用，连用，如如:already, never, ever, just, already, never, ever, just, yet, before, up to now, so faryet, before, up to now, so far等等,表示表示“”所发生的所发生的动作动作.还可以和还可以和(到说话时到说话时仍未结束仍未结束)的的,表示表示连用，如连用，如: these days, since, these days, since, for a long timefor a long time等等. .上一页下一页一、一、everever和和nevernever是现在完成时常见的时间是现在完成时常见的时间状语。前者意思是状语。前者意思是“曾经曾经”，多见于疑问，多见于疑问句或否定句中句或否定句中, ,也可用于肯定句；后者意思也可用于肯定句；后者意思是是“从来没有从来没有”，表示全部否定。，表示全部否定。1.“Have you ever seen the film?” “ No. 1.“Have you ever seen the film?” “ No. I have never seen it.”I have never seen it.”（“你曾经看过这部影片吗？你曾经看过这部影片吗？” “ “ 不，不， 从来没看过。从来没看过。”）2. Nobody in our class has ever been 2. Nobody in our class has ever been there.there. （我们班没有人去过那。）（我们班没有人去过那。）上一页下一页二、二、alreadyalready和和yetyet常见于现在完成时常见于现在完成时中，有中，有“已经已经”之意。前者一般用之意。前者一般用在肯定句中，后者用在疑问句和否在肯定句中，后者用在疑问句和否定句中。定句中。yetyet在否定句中有在否定句中有“还未，还未，尚未尚未”之意。之意。“ “Has the bus left yet”? Has the bus left yet”? “Yes. It has already left.” “Yes. It has already left.” (“No. It hasnt left yet.)(“No. It hasnt left yet.) “汽车开走了吗？汽车开走了吗？” “是的，已经开走了。是的，已经开走了。” “不，还没有开走。不，还没有开走。 ”上一页下一页主菜单 与一般过去时的用法比较一一. .现在完成时和一般过去时都是现在完成时和一般过去时都是说过去的事情，说过去的事情，; ;而一般过去时，而一般过去时，则只表示发生在过去的动作和事则只表示发生在过去的动作和事情与现在没有关系。情与现在没有关系。 上一页下一页主菜单eg：He has bought a dictionary. 他已经买过一本字典。 He bought a dictionary. 他买了一本字典。上一页下一页第一句用现在完成时时态，意为：第一句用现在完成时时态，意为：“He bought He bought a dictionary. And he still has ita dictionary. And he still has it” ” “ “过去他过去他买了一本字典，现在他还有这本字典买了一本字典，现在他还有这本字典” 。第二句用过去时只叙述过去他买过一本字典这一第二句用过去时只叙述过去他买过一本字典这一事实，至于现在他是否有这本字典并未强调说明。事实，至于现在他是否有这本字典并未强调说明。主菜单一常与一般过去时连用的典型的 表示过去时间的状语:上一页下一页yesterday(昨天),the other day (前两天),just now(刚才)，时间+ ago, last +时间 等; eg:1. The plane took off ten minutes ago. 2.We finished our work last week .主菜单飞机十分钟前起飞了。飞机十分钟前起飞了。我们上周完成了工作。我们上周完成了工作。二常与现在完成时连用的表示到现在为止这段时间的词短语或从句: 上一页下一页so far (so far (到现在为止到现在为止) )，since then (since then (自那自那以来以来) ,never,already,yet, ever ,since+) ,never,already,yet, ever ,since+过去时间或叙述过去事情的从句过去时间或叙述过去事情的从句。eg: The weather has been hot so far this summer . 1I havent seen her yet .主菜单今年夏天的天气到目前为止一直很热。今年夏天的天气到目前为止一直很热。我还没有见过她。我还没有见过她。上一页主菜单 动动 词词 填填 空空 1._ you _(clean) the room?1._ you _(clean) the room? Yes, we _(do) that already. Yes, we _(do) that already. When _ you _(do) it? When _ you _(do) it? We _(do) it an hour ago. We _(do) it an hour ago.2._ he _(see) this film yet? Yes.2._ he _(see) this film yet? Yes. When _ he _(see) it? When _ he _(see) it? He _ it last week. He _ it last week. 3. How many times _you_(be) there? 3. How many times _you_(be) there? HaveHavecleanedcleanedhave donehave donediddiddododiddidHasHasseenseendiddidseeseesawsawhavehavebeenbeen下一页上一页主菜单4. I _ (read) the novel twice. Its 4. I _ (read) the novel twice. Its interesting.interesting.5. She _(go) to Paris, hasnt she? 5. She _(go) to Paris, hasnt she? Yes.How _ she _(go) there? Yes.How _ she _(go) there? She _(go) there by air yesterday. She _(go) there by air yesterday.6. So far, many countries _(develop) 6. So far, many countries _(develop) their software programs. their software programs.7.Mr Chen _(give)up smoking last year.7.Mr Chen _(give)up smoking last year.8.Mr chen _(give) up smoking since last 8.Mr chen _(give) up smoking since last year.year.have readhave readhas gonehas gonediddidgogowentwenthave developedhave developedgavegavehas givenhas given下一页上一页主菜单Thank you !Good bye!