《动词一般现在时和一般过去时.ppt》由会员分享,可在线阅读,更多相关《动词一般现在时和一般过去时.ppt(12页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、一般现在时:一般现在时:1. I am a teacher.2. My father is a farmer.3. They are students.4. We can swim. / Kangkang can swim.5. I go to the park every day.6. Jane often goes to the park .7. Light travels faster than sound. 光的传播速度比声音快。光的传播速度比声音快。一般现在时一般现在时构成构成用法用法常用时间常用时间1.主语主语+ 动词原形动词原形 2. 主语主语+ 动词的动词的s/ es (第三人
2、称单数)第三人称单数)1、表示经常、习惯性动作。、表示经常、习惯性动作。Tom often goes swimming2、表示一种客观事实或真理。、表示一种客观事实或真理。The moon is round。always 总是总是sometimes 有时有时often / usually经常经常every day /week /yearhow oftentwice a week动词三人称单数形式的构成动词三人称单数形式的构成构成规则构成规则例词例词1、一般在动词原形末尾加、一般在动词原形末尾加 s look looks start starts2、结尾是、结尾是 o, s , sh, ch ,
3、 的动词加的动词加 es go goes passpasses wash washes watch watches3 、结尾是、结尾是“辅音字母辅音字母+y”的动词的动词, 先变先变“y”为为“i”再加再加-es study studies carry carries play -plays (元音字母元音字母+y 的,则不变)的,则不变) I am a teacher. He is a farmer. They are students. We can swim. / Kangkang can swim.I am not a teacher.He is not a farmer.is not
4、 = isntThey are not students.are not = arentWe can not swim. Kangkang cant swim. Are you a teacher ? Yes, I am. No , I am not.Is he a farmer ? Yes, he is. No, he isnt.Are they students ? Yes, they are. No, they arent.Can you swim ? Yes, we can. No, we cant.Can kangkang swim ? Yes ,he can. No, he can
5、t.They go to the park every day. Jane often goes to the park .They dont go to the park every day.Jane doesnt often go to the park.主语主语 + dont / doesnt + 动词原形动词原形Do they go to the park every day ?Yes ,they do. No, they dont.Does Jane often go to the park ?Yes, she does. No, she doesnt.Do/ Does +主语主语
6、+ 动词原形动词原形考查热点考查热点:如果主句为一般将来时,如果主句为一般将来时,if,unless等引导的等引导的条件状语从句条件状语从句和和when,until,as soon as ,before, after 等引导的等引导的时间状语从句时间状语从句常用常用一般现在时表示将来一般现在时表示将来。-What about going climbing if it doesnt rain tomorrow?-Good idea. We will go climbing if it is fine tomorrow.-He will write to us as soon as he gets
7、 there/home.Ill call you if he _ ( come) back es1. I am a teacher .2. My father is a farmer.3. They are students.4. We can swim. 5.Kangkang can swim.6. I go to the park every day.7. Jane often goes to the park .five years ago.last year.in 2008.yesterday.two days ago.just now.waswaswerecouldcouldwent
8、went一般过去时一般过去时用法用法常用时间常用时间主语主语+动词的过去式动词的过去式1、表示过去某个时、表示过去某个时 间发生的动作或间发生的动作或存在的状态。存在的状态。2、表示过去经常或、表示过去经常或 反复发生的动作。反复发生的动作。yesterdaylast nightin 1990two days ago构成构成规则动词过去式的构成构成规则例词1、一般在动词原形末尾加、一般在动词原形末尾加 ed look looked play played start started2、结尾是、结尾是 e 的动词加的动词加 - d live lived hope hoped use used3、
9、末尾只有一个辅音字母的、末尾只有一个辅音字母的 重读闭音节词,先双写这重读闭音节词,先双写这 个辅音字母,再加个辅音字母,再加ed stop stoppedplan plannedtrip tripped4、结尾是、结尾是“辅音字母辅音字母+y”的动词,的动词, 先变先变“y”为为“i”再加再加ed study studiedcarry carried1. I was a teacher last year .2. My father was a farmer five years ago.3. They were students in 2008.4. We could swim yeste
10、rday.5. Kangkang could swim two days ago.notnotnotnotnotWas not = wasnt Were not = werent Could not = couldntWas you a teacher last year ?Was your father a farmer five years ago ?were they students in 2008?Could you swim yesterday ?Could Kangkang swim two days ago?. I went to the park every day. Jan
11、e often went to the park .just now.I didnt go the park just now.Jane didnt often go to the park. Did you go the park just now? Yes I did. No, I didnt. Did Jane often go to the park? Yes, she did . No , she didnt.主语主语+ didnt + 动词原形动词原形Did +主语主语+ 动词原形动词原形 ?PRACTISE改写句子:改写句子:1、Lucy did her homework at
12、home.(改否定句)(改否定句) Lucy _ _ her homework at home.2、He found some meat in the fridge.(变一般疑问句(变一般疑问句) _ he _ _ meat in the fridge?3、She stayed there for a week.(对划线部分提问)(对划线部分提问) _ _ _ she _ there?4、There was some orange in the cup.(变一般疑问句(变一般疑问句) _ there _ orange in the cup? didnt do Did find any How long did stay Was any