初中英语现在完成时学习教案.pptx
会计学1初中英语现在初中英语现在(xinzi)完成时课件完成时课件第一页,共18页。have/ has +动词动词(dngc)过去分词过去分词第1页/共18页第二页,共18页。1.直接直接(zhji)加加-ed。如:。如:play-played2.以辅音以辅音(fyn)字母加字母加y结尾的,变结尾的,变y为为i加加ed。如:如:carry-carried3.以字母以字母e结尾的直接加结尾的直接加d 。如:如:name-named4.重读闭音节且末尾只有一个辅音字母,双写重读闭音节且末尾只有一个辅音字母,双写这个辅音字母再加这个辅音字母再加-ed。如:如:stop-stopped5.不规则变化。不规则变化。如:如:eat- eaten, see-seen第2页/共18页第三页,共18页。I have(缩写缩写(suxi)为为Ive) eaten my lunch.She has(不缩写)(不缩写) eaten her lunch.第3页/共18页第四页,共18页。I have not (havent) seen the film. She has not (hasnt) seen the film.现在完成时的否定现在完成时的否定(fudng)形式:形式:have not (havent) +过去分词过去分词 has not (hasnt) +过去分词过去分词 否定否定句句第4页/共18页第五页,共18页。Have you known Sandy for a long time?Yes, I have./ No, I havent. Has she eaten breakfast yet?Yes, she has./ No, she hasnt. 第5页/共18页第六页,共18页。Have you had your breakfast yet?I have read the book twice already.常和常和already, yet, never, just, before, ever, recently等标志性副词等标志性副词(fc)连用。连用。二、现在二、现在(xinzi)(xinzi)完成时表示的意义及标完成时表示的意义及标志性词志性词第6页/共18页第七页,共18页。第7页/共18页第八页,共18页。you have studied English for 6 years.Tom has lived in Beijing since 2008.第8页/共18页第九页,共18页。for+for+一段时间一段时间(shjin)(shjin)since+since+过去时间过去时间(shjin)(shjin)点点Since+Since+一段时间一段时间(shjin)+ago(shjin)+agoSince+Since+从句(从句用一般过去时)从句(从句用一般过去时)谓语谓语(wiy)(wiy)只可用延续性动词只可用延续性动词. .Ive lived here for 8 years.Ive lived here for 8 years.Ive lived here since 2008. Ive lived here since 2008. Ive lived here since 8 years ago.Ive lived here since 8 years ago.Ive lived here since I was born.Ive lived here since I was born.第9页/共18页第十页,共18页。1.1.短暂性动词短暂性动词(dngc)(dngc)和延续性动词和延续性动词(dngc)(dngc)(前面为短暂性动词前面为短暂性动词(dngc)(dngc)leave= be away frombegin= be onborrow= keepbuy=havedie =be dead marry =be married这本书露西已经这本书露西已经(y jing)借了一个月了。借了一个月了。Lucy has kept the book for a month.他爷爷已经他爷爷已经(y jing)去世五年了。去世五年了。His grandpa has been dead for five years.三、现在完成时的基本用法三、现在完成时的基本用法第10页/共18页第十一页,共18页。have gone to:“去了某地去了某地”,表示某人,表示某人(mu rn)在路上,在路上,或者在目的地;已不在原地。或者在目的地;已不在原地。have been to:“曾去过某地曾去过某地(mu d)” ,说话时人已不在某地说话时人已不在某地(mu d)了,已经回来。了,已经回来。He has been to Xian twice.他曾经去过西安两次他曾经去过西安两次。(已经回来了)。(已经回来了)You cant find him. He has gone to Xian.你找不到他。他去西安了你找不到他。他去西安了。(还没回来)。(还没回来)第11页/共18页第十二页,共18页。3 3、现在完成、现在完成(wn chng)(wn chng)时与一般过去时与一般过去时的区别时的区别现在完成时属于现在时态的范围,不能和表示现在完成时属于现在时态的范围,不能和表示(biosh)过去的时间状语连用,如过去的时间状语连用,如yesterday,last night,three weeks ago,in1990等等.而一般过去时只表而一般过去时只表示示(biosh)过去的动作或状态,和现在没有关系。过去的动作或状态,和现在没有关系。I have seen the film twice.I saw the film last week.He has lived here since 1993.He lived here in 1993.第12页/共18页第十三页,共18页。 1.play 2. carry 3. name4. stop 5. go played playedcarried carriednamed named stopped stoppedwent gone 第13页/共18页第十四页,共18页。第14页/共18页第十五页,共18页。3,用用for和和since填空填空(tinkng)。_a week_a long time_1997 _two weeks_three years ago _ last monthforforforsincesincesince第15页/共18页第十六页,共18页。 4,用用have been to, have gone to填空填空(tinkng)。1.We Yangzhou already.2.My sister the shop. She will be back in two hours.3.My parents the Great Wall twice.4.She Shanghai. She isnt here.have been tohave been tohas gone tohas gone to第16页/共18页第十七页,共18页。Good-bye!Thanks , everyone第17页/共18页第十八页,共18页。