八大时态讲解及练习-28页文档资料.doc
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1、如有侵权,请联系网站删除,仅供学习与交流八大时态讲解及练习【精品文档】第 28 页英语的时态(tense)是一种动词形式,不同的时态用以表示不同的时间与方式,下面就英语中常见的八种基本时态进行阐述,其它的时态都是在这八种时态的基础上结合而成的。 一、 一般现在时:1.概念:经常、反复发生的动作或行为及现在的某种状况。2.时间状语: always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays,3.基本结构:动词 原形 (如主语为第三人称单数,动词上要加(e)S)4.否定形式:a
2、m/is/are+not;此时态的谓语动词若为行为动词,则在其前加dont,如主语为第三人称单数,则用doesnt,同时还原行为动词。5.一般疑问句:把be动词放于句首;用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词。6.例句:. It seldom(很少) snows here.He is always ready to help others.Action speaks louder than words.6. 动词第三人称单数变化规则 动词第三人称变化的规则与可数名词复数变化的规则相同。 规则一、一般在词尾加-s。 如:looks, puts. reads, s
3、ees, skis等。 规则二、以-o, -s, -x, -sh, -ch结尾的加-es。 如:goes, does, misses, passes, mixes, fixes, pushes, wishes, watches, teaches,等。 规则三、以辅音字母加y结尾的,变y为i,再加-es。注意一定是辅音字母加y才变,若是元音字母加y,则直接加-s。 如:fly flies, try tries, fry fries, copy copies buy buys, enjoy enjoys, play plays, say says, pay pays二、 一般过去时:1.概念:过去
4、某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。2.时间状语:ago, yesterday, the day before yesterday, last week(year, night, month), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.3.基本结构:be动词;行为动词4.否定形式:was/were+not;在行为动词前加didnt,同时还原行为动词。5.一般疑问句:was或were放于句首;用助动词do的过去式did 提问,同时还原行为动词。6.例
5、句:She often came to help us in those days.I didnt know you were so busy.三、 现在进行时: 1.概念:表示现阶段或说话时正在进行的动作及行为。2.时间状语:now, at this time, these days, etc.3.基本结构:am/is/are+doing4.否定形式:am/is/are+not+doing.5.一般疑问句:把be动词放于句首。6.例句: How are you feeling today?He is doing well in his lessons.四、 过去进行时:1.概念:表示过去某段
6、时间或某一时刻正在发生或进行的行为或动作。2.时间状语:at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。3.基本结构:was/were+doing4.否定形式:was/were + not + doing.5.一般疑问句:把was或were放于句首。6.例句:At that time she was working in a PLA unit.When he came in, I was reading a newspaper.五、 现在完成时:1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始
7、,持续到现在的动作或状态。2.时间状语:recently, lately, sincefor,in the past few years, etc.3.基本结构:have/has + done4.否定形式:have/has + not +d one.5.一般疑问句:have或has。6.例句:Ive written an article.It has been raining these days.六、 过去完成时:1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。2.时间状语:before, by the end of last yea
8、r(term, month),etc.3.基本结构:had + done.4.否定形式:had + not + done.5.一般疑问句:had放于句首。6.例句:As soon as we got to the station, the train had left.By the end of last month. We had reviewed four books七、 一般将来时:1.概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。2.时间状语:tomorrow, next day(week, month, year),soon, in a few minutes, by
9、,the day after tomorrow, etc.3.基本结构:am/is/are/going to + do;will/shall + do.4.否定形式:was/were + not; 在行为动词前加didnt,同时还原行为动词。5.一般疑问句:be放于句首;will/shall提到句首。6.例句:They are going to have a competition with us in studies.It is going to rain.补充说明:1.有些词如:go(去),come(来),leave(离开),start(开始)用现在进行时表示将来时. 例如:(1)She
10、is coming here tomorrow. 她明天将要来这儿. (2).When are you leaving here? 你什么时间将要离开这儿?2.Be going to+动词原形+. 表示一个事先考虑好的意图,相当于文中的打算,计划,准备例如:(1).I am going to spend my holiday in Beijing.(这里不能用will) 我打算在北京度假. (2).Where are you going to spend your holiday? 你将要到哪儿度假?3. 客观难以改变的事实,用will,而不用be going to .例如:(1).It wi
11、ll rain tomorrow. 明天将要下雨. (2).It will be Teachers Day the day after tomorrow. 后天将是教师节. (3).My birthday will come. 我生日将要到了.八、 过去将来时:1.概念:立足于过去某一时刻,从过去看将来,常用于宾语从句中。2.时间状语:the next day(morning, year),the following month(week),etc.3.基本结构:was/were/going to + do;would/should + do.4.否定形式:was/were/not + goi
12、ng to + do;would/should + not + do.5.一般疑问句:was或were放于句首;would/should 提到句首。6.例句:He said he would go to Beijing the next day.I asked who was going there 一般现在时态练习巩固 1. 写出下列动词的三单形式 go_ catch_ brush(刷)_ wash_ do_ like_ have_ watch_ drink _ fly_ say_ learn _ eat_ read_ sing_ buy_ study_ stay _ make _ look
13、 _ pass_ carry _ come_ plant(种植)_ teach_ buy_ 2. 用括号内动词的适当形式填空。 1. We often_(play) in the playground. 2. He _(get) up at six oclock. 3. _you_(brush) your teeth every morning. 4. What_ (do) he usually_ (do) after school? 5. Danny_(study)English,Chinese,Maths, Science and Art at school. 6. Mike someti
14、mes _(go) to the park with his sister. 7. At eight at night, she often_(watch) TV with his parents. 8. _ Mike_(read) English every day? 9. How many lessons_your classmate_(have) on Monday? 10. What time_his mother_(do) the housework? 3. 选择题 ( )1. I _to school at 7:00 in the morning. A. go B. going C
15、. goes ( )2. They _books every day in the library. A. reads B. read C. reading ( )3. The monkey_ eating bananas very much. A. like B. likes C. liking ( )4. My father _to read newspaper after supper every day. A. like B. likes C. liking ( )5. I like watching TV, but my mother _like it. A. dont B. doe
16、snt C. does ( )6. _ your father drink milk every day? A. do B. are C. does ( )7. We will go shopping if it_ tomorrow. A. dont rain B. didnt rain C.doesnt rain D. isnt rain ( )8. He said the sun _in the east and _in the west. A rose; set B rises; sets C rises, set D rise; sets ( )9.Wang Mei _ music a
17、nd often _ to music. A like; listen B likes; listens C like; are listening D liking listen ( )10. Jenny_ English every evening. A has study B studies C study D studied 4. 改错(划出错误的地方,将正确的写在横线上) 1. Is your brother speak English? _ 2. Does he likes going fishing? _ 3. He likes play games after class. _
18、 4. Mr. Wu teachs us English. _ 5. She dont do her homework on Sundays. _ 5. 把下列句子变成一般疑问句(并作肯定和否定回答)、否定句 例:I like cooking. Do you like cooking? Yes, I do. No, I dont. I dont like cooking. 1. My friends like playing soccer. 2. They speak English every day. 3. Daniel watches TV every evening 4. John i
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