高一英语语法衔接动词的时态PPT课件.ppt
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1、动词的时态,Leading-in,Thinking,Complete the exercises, and summaries the usage of each tenses.(总结每种时态的用法),Discussing,【合作学习】 对议:核对答案, 讨论每种时态的基本用法 组议:解决疑惑,总结一般过去时和现在完成时的不同,Presenting大声说出答案和关键词,1). - What _ you (do) yesterday? -I _ (study) at home. 2). I think my mother _ (come) back in an hour. 3). -Wheres
2、 Mary? -She (go) to London. She_ (not, return) until next month. 4). He already (see) the film. 5). -How often _ your mother (see) a film? -Once a week.,did,do,studied,will come,has gone,wont return,has,seen,does,see,(六)过去将来时 I was going to leave when he came in. She said she was to get married next
3、 month. I was about to go to bed when the phone rang. Jack said he was leaving tomorrow.,Explaining一般将来、过去将来,(一)一般现在时 1. He often (go) to the cinema. 2. The teacher told me that the earth_(go)around the sun. 3. I will leave if it _ tomorrow.,goes,goes,doesnt rain,Explaining(2)一般现在,(一)一般现在 1.基本用法: 1表
4、示现在经常性或习惯性的动作 He often goes to the cinema. 2表示现在的能力、特征等 。 He sings well.(能力) I am a student. 3表示客观真理、科学事实 、格言 Knowledge is power. (客观真理) 2.特别用法: 1时间,条件,让步,方式等状语从句中,常“主将从现 I will leave if it doesnt rain tomorrow. 2表示按规定、时间表 要发生的动作,用一般现在时表将来,通常有明确将来时间. The train leaves at 12:00.,Explaining(2)一般现在,注意三单
5、形式,(二). 一般过去时 1. I _(feel) a little uncomfortable this morning. 2. It is (high) time you _(go) to bed. 表示在过去某个特定时间(时间点和时间段)发生 I had a word with Julia this morning. I read the book last year. I studied English for 4 years in college.,felt,went/ should go,Explaining一般过去,(五). 现在完成时 1影响性用法:表示一个动作发生在过去,已
6、经完成,且对现在造成影响或结果,常与already, ever, never He has already left the city.(结果:他不在这个城市) 2持续性用法:表示一个动作从过去持续到现在, We have studied English for 5 years. I havent seen her since last week. We have got 20000 yuan so far. The price has increased in the last 3 years. They have covered 400 miles by now. 1). We _ (kn
7、ow) each other for 4 years. 2). I _(读过这本书),have known,have read this book,Explaining现在完成时,Explaining,3. 一般过去时和现在完成时的比较 这两种时态都表述发生在过去的某一动作,现在完成时强调这一过去动作对现在产生的影响或结果,而一般过去时只表达过去的动作或状态,和现没关系。 She _(clean) the room. Its very clean now. She _ (clean) the room this morning. 现在完成时的标志性词:already, yet,never,ev
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