一般现在时-现在进行时和一般过去时和一般将来时态.ppt

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1、2021/3/11,1,复习一般现在时 现在进行时 一般过去时一般将来时,2021/3/11,2,一般现在时,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.,2021/3/11,3,一般现在时态中常用的时间

2、状语,其时间状语为often、 usually、 always、 sometimes等频率副词,on Saturdays、 in the morning(afternoon evening) 、every day 等。,2021/3/11,4,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

3、a good student. Is Danny a good student?,2021/3/11,5,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。,2021/3/11,6,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?,2021/3/11,7

4、,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 well. Jenny doesnt speak English very well. Does Jenny speak English very well?,2021/3/11,8,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

5、做主语、当数字或字母做主语时,也看作第三人称单数,2021/3/11,9,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 finish 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,2021/3/11,10,现在进行时,1、现

6、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等时间状语做标志。,2021/3/11,11,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 b

7、ike? He isnt buying a bike.,2021/3/11,12,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,2021/3/11,13,请写出下列动词的ing形式,注意play study swim chat begin eat prefer,playing,studying,swimming,chatting,b

8、eginning,eating,preferring,2021/3/11,14,一般过去时,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. 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 w

9、as a great writer.,2021/3/11,15,一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,2021/3/11,16,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 friends.She was young and beautif

10、ul.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?,2021/3/11,17,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?,2021/3/11,18,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)直接在动词原形末尾加-

11、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.,2021/3/11,19,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

12、的过去形式put cut read come go takeswim run begin do play enjoy stop,Play enjoy stop,put,cut,read,came,went,took,swam,ran,began,did,played,enjoyed,stopped,2021/3/11,20,一般将来时态,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

13、in the future. 未来每个桌子上都将有一台电脑。It will rain tomorrow. 明天将要下雨。We will go to school on foot. 我们将步行去上学。,2021/3/11,21,一般疑问句: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?

14、 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 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

15、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 school by bus. 我们将不乘公交车去上学。,2021/3/11,22,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

16、. 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。,2021/3/11,23,2、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

17、. 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 clouds, 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

18、的动词要与主语保持一致。 I am not=Im not.,2021/3/11,24,一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 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

19、 father is going to watch a race with me this afternoon. What is your father going to do with you this afternoon?,2021/3/11,25,3. 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,2021/3/11,26,Thank you !,

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