一般现在时,现在进行时和一般过去时和一般将来时态.ppt

上传人:小飞机 文档编号:4878161 上传时间:2023-05-21 格式:PPT 页数:26 大小:740.50KB
返回 下载 相关 举报
一般现在时,现在进行时和一般过去时和一般将来时态.ppt_第1页
第1页 / 共26页
一般现在时,现在进行时和一般过去时和一般将来时态.ppt_第2页
第2页 / 共26页
一般现在时,现在进行时和一般过去时和一般将来时态.ppt_第3页
第3页 / 共26页
一般现在时,现在进行时和一般过去时和一般将来时态.ppt_第4页
第4页 / 共26页
一般现在时,现在进行时和一般过去时和一般将来时态.ppt_第5页
第5页 / 共26页
点击查看更多>>
资源描述

《一般现在时,现在进行时和一般过去时和一般将来时态.ppt》由会员分享,可在线阅读,更多相关《一般现在时,现在进行时和一般过去时和一般将来时态.ppt(26页珍藏版)》请在三一办公上搜索。

1、复习一般现在时 现在进行时 一般过去时一般将来时,一般现在时,它表示1)经常性、习惯性的动作或存在的状态。e.g.I go to school on foot.He is very busy now.2)表示主语的特征、性格、能力、爱好等。e.g.He can swim.I work hard.I like watching TV.3)表示客观真理 e.g.There are seven days in a week.The moon moves round the earth.,一般现在时态中常用的时间状语,其时间状语为often、usually、always、sometimes等频率副词,

2、on Saturdays、in the morning(afternoon evening)、every day 等。,第一种含be动词的一般现在时态,I am a teacher.She is a student.She is Miss Li.She is friendly.We are 14 years old.She is young.含有be动词的句式变化要在be上做变化.E.g.Danny is a good student.Danny isnt a good student.Is Danny a good student?,第二种含有行为动词的一般现在时态,其结构通常为,“主语+谓

3、语+其它”这种情况又分两种,分为1、主语不是第三人称单数的情况。、主语是第三人称单数的情况。,主语为非第三人称单数的情况,肯定结构主语行为动词其它否定结构主语dont+行为动词其它一般疑问句结构Do主语行为动词其它?They have lunch at 12:00.They dont have lunch at 12:00.Do they have lunch at 12:00?,主语为第三人称单数的情况,肯定结构主语行为动词(三人称单数)其它否定结构主语doesnt+行为动词(原形)其它一般疑问句结构Does主语行为动词(原形)其它?,Jenny speaks English very we

4、ll.Jenny doesnt speak English very well.Does Jenny speak English very well?,主语何时被看成第三人称单数:,、人称代词he she it 2、单个人名,地名或称呼、可数名词单数或 this/that/the+单个可数名词、不定代词以及指示代词this that 5、不可数名词做主语、当数字或字母做主语时,也看作第三人称单数,主单三,谓单三,、一般加ssit stand snow rain sleepStop book make find run 2、以s,x,sh,ch,o结尾的动词加es.如:wash watch fi

5、nish guess do go 3、辅音字母加y结尾的动词先变y为i再加es.如:study carry,谓语动词的三人称单数的变化规则,练习:写出下列动词的三单形式enjoy stay play stop run,have,S,s,s,s,s,has,are,is,现在进行时,1、现在(说话的瞬间)正在进行或发生的动作,强调“此时此刻”。E.g.He is reading.They are talking now.2、当前一段时间内的活动或现阶段正在进行的动作。E.g.They are working these days.一般由look,listen,now,at this moment

6、等时间状语做标志。,其结构:be+现在分词.,肯定结构be+doing否定结构 be not+doing一般疑问句结构 Be+主语其它?其句式变换都在be上做文章。E.g.He is buying a bike.Is he buying a bike?He isnt buying a bike.,动词现在分词的变化规则,大多是动词原型+ingReading,drinking,eating,meetingthinking特殊变化:1.以不发音的e结尾,去e加ingWriting,making2.重读闭音节要双写结尾的辅音字母加ingSitting swimming putting running

7、,请写出下列动词的ing形式,注意play study swim chat begin eat prefer,playing,studying,swimming,chatting,beginning,eating,preferring,一般过去时,一般过去时主要表示过去某时发生的动作或情况 1)过去某个时间所发生的动作或存在的状态。e.g.I bought a new shirt yesterday.He was a worker two years ago.2)过去一段时间内,经常性或习惯性的动作。e.g.When I was a child,I often played with fire

8、.Li Lei always walked to school last term.3)谈到已故人的情况时多用过去时。e.g.Lu Xun was a great writer.,一般过去时态中常用的时间状语:1、yesterday或由其构成的短语,e.g.yesterday morning;2、由“last+时间”构成的短语,e.g.last year;3、由时间段+ago构成的短语,e.g.three days ago;另外,还有on the morning of Monday,just now等,其结构是主语+动词的过去式。,第一种含有be动词的I was 22.We were good

9、 friends.She was young and beautiful.They were happy at the party.其句式变化含有be动词的依然在be上做文章.e.g.I was born in 1980.I was not born in 1980.Were you born in 1980?,第二种含有行为动词的,肯定结构主语行为动词(过去式)其它否定结构主语didnt+行为动词(原形)其它一般疑问句结构Did主语行为动词(原形)其它?,动词的过去式,be动词的过去式为was,were;行为动词的过去式有规则变化和不规则变化两种,规则变化有以下几种情况:1)直接在动词原形末

10、尾加-ed.e.g.work-worked;ask-asked;2)以e结尾的动词只加-d.e.g.arrive-arrived;like-liked.3)末尾只有一个辅音字母的重读闭音节,应先双写这个辅音字母,再加-ed.e.g.shop-shopped;stopped 4)以辅音字母+y结尾的动词,先把y变成i,再加-ed.e.g.carry-carried;study-studied.,有些动词变过去式是不规则的,e.g.fly-flew;break-broke;teach-taught.这些需要象生单词一样记住.练习:请写出下列动词的过去形式put cut read come go t

11、akeswim run begin do play enjoy stop,Play enjoy stop,put,cut,read,came,went,took,swam,ran,began,did,played,enjoyed,stopped,一般将来时态,构成 will+动词原形 和be going to+动词原形一般将来时I:will+动词原形的用法:表从现在看来将要发生的事或存在的状态。肯定句:主语+will+动词原形-There will be a computer on every desk in the future.未来每个桌子上都将有一台电脑。It will rain tom

12、orrow.明天将要下雨。We will go to school on foot.我们将步行去上学。,一般疑问句:Will+主语+动词原形-?回答(Yes,sb will或 No,sb wont)Will there be a computer on every desk tomorrow?Yes,there will./No,there wont.未来每个桌子上都将有一台电脑吗?是的,将有。/不,将没有。Will it rain tomorrow?Yes,it will./No,it wont.明天将会下雨吗?是的,将会。/不,将不会。Will we go to school by bus

13、 tomorrow?Yes,we will./No,we wont.明天我们将乘公交车去上学吗?是的,将会。/不,将不会。否定句:主语+will not(wont)+动词原形There will not be a computer on every desk in the future.=There wont be a computer on every desk in the future.未来每个桌子上都将没有一台电脑It will not rain tomorrow.It tomorrow.明天将不会下雨。We will not go to school by bus.We to sch

14、ool by bus.我们将不乘公交车去上学。,特殊疑问句:疑问词+一般疑问句?一般将来时II:is/am/are going to+动词原形的用法。1、主要用来表示打算或计划要做某事,主语是人。如:She is going to learn Japanese next year.There is going to be a football match tonight.Dad and I are going to see Beijing opera this afternoon.今天下午我和爸爸打算去看京剧。We are going to have a meeting today.今天我们要

15、开会。Im going to play the violin.我打算拉小提琴。Shes going to play the piano.她打算弹钢琴。,2、有迹象要发生的事Its going to be a fine day tomorrow.明天将会是个好天。Look at the sky,it is going to rain.看天空,要下雨了。I think its going to snow.我看快要下雪了。Im not well today.I am afraid I am going to have a cold.我今天不舒服,恐怕我要感冒了。Look at the dark cl

16、ouds,there is going to be a storm.看看这些黑云,将有一场暴风雨注:be going to 中的be动词要随着句子主语的人称或数的变化而变化。一般将来时的一般疑问形式是:把be(am,is,are)直接放于句首,some 改为any,and改为or,第一二人称互换。简略答语中的动词要与主语保持一致。I am not=Im not.,一般将来时的否定形式是:be(am,is,are)+not going to+动词原形He is going to have a swim tomorrow.(改为否定句)He is not=(isnt)going to have a

17、 swim tomorrow.一般将来时态be going to+动词原形的特殊疑问句:1.问人 Who?Im going to New York soon.Whos going to New York soon?2.问干什么 What do?My father is going to watch a race with me this afternoon.What is your father going to do with you this afternoon?,3.问什么时候 When?Shes going to go to bed at nine.When is she going to bed?4.同义句:be going to=will I am going to go swimming tomorrow(明天).=I will go swimming tomorrow.在一般将来时中,常常会有表示将来的时间状语:tomorrow,next week,this afternoon等。语法总结:be going to,跟“动原”,计划、准备或打算;表可能,有必然,通过现象来判断。be 的形式要注意,它要随着人称变;否定句,很简单,not 加在 be 后面;疑问句,需牢记,be 应提到主语前,Thank you!,

展开阅读全文
相关资源
猜你喜欢
相关搜索
资源标签

当前位置:首页 > 生活休闲 > 在线阅读


备案号:宁ICP备20000045号-2

经营许可证:宁B2-20210002

宁公网安备 64010402000987号