《时态解析现在时态》PPT课件.ppt
《《时态解析现在时态》PPT课件.ppt》由会员分享,可在线阅读,更多相关《《时态解析现在时态》PPT课件.ppt(48页珍藏版)》请在得力文库 - 分享文档赚钱的网站上搜索。
1、时时 态态 解解 析析(现在时态现在时态)一一 般般 现现 在在 时时v一.构成:一般用动词的原形表示,主语为第三人称时,动词要发生相应的变化.v二.用法v1.描述经常性或习惯性动作或表示存在的状态.句中常带有表频率的时间状语:always,everyday,often,once a week,sometimes,seldom,usually,never等.v例如vHe likes music very much.vNanjing is a beautiful city.vShe seldom goes to cinema.陈述客观事实或普遍真理陈述客观事实或普遍真理vThe sun rise
2、s in the east.vThe earth goes around the sun.vAmericans speak English.按规定计划安排好要发生的动作,常用arrive,go,come,return,leave,start,begin,stop,end,close,sail,be,等动词例如:vThe train to Beijing leaves at 10:00 a.m.vThe plane from China leaves at 6.p.m.vShe comes back tonight.vI leave for Yunnan next Monday.一般性的说明文字
3、一般性的说明文字,常用于现场解常用于现场解说说,新闻标题等新闻标题等,着重描述着重描述,报道事报道事实实.vChairman Hu Jingtao gets a warm welcome in Hongkong.vThe book says that women can live longer than men.一般现在时常用在时间和条件状语从句中,表示将来.常用的连词有when,before,if,as soon as,till,until,unless等.vIll tell him the news when he comes back.vIf it rains tomorrow,well
4、 stay at home.vLets wait until he comes.现现 在在 进进 行行 时时v一一.构成构成:vam,is,are+doingv二二.用法用法:v1.说话时动作正在进行说话时动作正在进行vWe are having English lesson now.vThe students are listening carefully.v当前阶段正在发生的动作或事情当前阶段正在发生的动作或事情(说话时动作不一定正在进行说话时动作不一定正在进行)vMr Hu is teaching us physics.vShe is reading a novel these days
5、.vMore and more people are giving up smoking.v与频度副词连用与频度副词连用,表示一种抱怨,表示一种抱怨,批评或赞许,喜欢的语气批评或赞许,喜欢的语气.常与常与Always,forever,all the time等等连用连用vShe is always speaking ill of others.(抱怨抱怨,厌恶厌恶)vJohn is always thinking of others.(赞许赞许)v表示即将发生的动作,或最近安排或计划要进行的动作,局限与少数表示瞬间动作的动词,如:go,come,leave,stay,arrive,dine,r
6、eturn,fly,start,begin,die,lose,do等.例如:vIm dinning out with my friends this evening.vThe old man is dying.vMy uncle is coming back abroad.vShe is leaving tomorrow.v注意注意:表感官动作表感官动作,心理状态心理状态,情情感或存在状态的动词不能使用现感或存在状态的动词不能使用现在进行时在进行时.v感官类感官类:see,hear,smell,feel,look,seem等等v情感类情感类:hate,love,like,want,wish等等
7、v存在状态类存在状态类:exist,be,remain,stay等等v占有与从属类占有与从属类:have,belong to,possess,consist等等现现 在在 完完 成成 时时v一.构成:have/has+donev二.用法:v1.过去的动作对现在的影响,常与already,yet等连用.v例如:vNearly all the students have experienced some kind of grammar-based English teaching.vI have lost my pen.(影响:现在无笔可用)vI have had my lunch.(影响:我现在
8、不饿)v表示从过去某一个时间开始一直表示从过去某一个时间开始一直持续到现在及动作的反复发生持续到现在及动作的反复发生,常与常与once,so far,up to now,in the past few years,since,recently,for等一段时间连用等一段时间连用.例例如如:vUp to now,I have collected all the data that I need.vShe has lived here since 1990.vHe has studied English for 10 years.v现在完成时常用于下列句型现在完成时常用于下列句型:vIt is/h
9、as been+some time+sincevIt is the+thatvThat/This/It is the onlyvIt has been 5 years since that terrible accident happened to her.vIt is the third time that you have been late for morning assembly.vThis is the only party that I have ever really enjoyed in my life.v现在完成时里,现在完成时里,短暂性动词不短暂性动词不与一段时间连用与一段
10、时间连用.vThey _ here for more than a month.vA.have arrived vB.have reachedvC.have come vD.have beenDv区别区别:现在完成时与一般现在完成时与一般过去时的区别过去时的区别v1.现在完成时强调过去的动作对现在完成时强调过去的动作对现在的影响或产生的结果现在的影响或产生的结果.而一而一般过去时般过去时 只限于表示过去动作本只限于表示过去动作本身身,与结果无关与结果无关.例如例如:vHe has bought a house.vHe bought a house.He has been ill for a w
11、eek.He was ill for a week.2.现在完成时不可与表示特定过去现在完成时不可与表示特定过去时间的副词连用,如时间的副词连用,如Ago,then,yesterday,但一般过去时可以但一般过去时可以.例例如如:vHe has worked here last year.vHe worked here last year.FTv3.现在完成时不可与疑问副词现在完成时不可与疑问副词when连用连用,而一般过去时可以而一般过去时可以.例如例如:vWhen has he come?vWhen did he come?FTiT v4.现在完成时可以同现在完成时可以同包括现在在包括现在
12、在内内的时间状语连用的时间状语连用,而一般过去而一般过去时则不可以时则不可以.vIt has been hot this summer.vIt was hot this summer.说话时仍在夏天说话时仍在夏天说明夏天已经过去说明夏天已经过去现现 在在 完完 成成 进进 行行 时时v一一.构成构成:have/has+been+doingv二二.用法用法:v1.现在完成进行时可以用来表示现在完成进行时可以用来表示一个动作从过去某时开始一个动作从过去某时开始,一直一直延续到说话时刻还在进行延续到说话时刻还在进行.这一这一用法常与表示一段时间的状语连用法常与表示一段时间的状语连用用,如如for t
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 时态解析现在时态 时态 解析 现在 PPT 课件
限制150内