内容正文:
动词的时态
(1) 动词的时态
1. 时态 -- 动词的结构
2.每个时态所代表的意义?时间状语?
3. 时间线
4.有没有特殊的点?(将来、完成、进行)
5. 时态一致性原则 (主从句)
1. 时态的结构
动作方面
时间
一般
进行
完成
完成进行
现在
V原/ Vs
(be: am,is,are)
am/is/are + Ving
have/has + Vpp
过去
V-ed
(be: was,were)
were/was + Ving
had + Vpp
将来
will/shall + V原
过去将来
would/should + V原
注意:shall 用于第一人称。
2. 时态的意义 & 时间状语(标志)
时态
意义
常见的时间状语
1. 一般现在
①经常、反复发生的动作;②行为及现在的某种状况、状态。③主语具备的能力和性格。(可表将来)
always, usually, often, sometimes, every week (day, year, month...), once a week, on Sundays
2. 一般过去
①过去某个时间里发生的动作或状态;②过去习惯性、经常性的动作、行为。
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. 一般将来
①表示将要发生的动作或存在的状态;②打算、计划或准备做某事。
tomorrow, next day (week, month, year…), soon, in a few minutes, by…, the day after tomorrow, etc.
4. 一般过去将来
立足于过去某一时刻,从过去看将来,将要发生的动作或存在的状态。“立足过去,着眼未来”, 常用于宾语从句中。
the next day(morning, year…), the following month(week…), etc.
5. 现在进行
(不是所有动词都有进行时态)
① 说话时正在进行的动作及行为。②表示现阶段(动作并不是必须在说话时进行)。③与频度副词连用,表示某种强烈感情 always、forever。(可表将来)
now, at present, at this time, these days, etc.
6. 过去进行
表示过去某段时间 或 某一时刻正在发生或进行的行为或动作。
at this time yesterday, at that time, then, etc.
7. 现在完成
①过去发生或已经完成的动作对现在造成的影响或结果,②从过去已经开始,持续到现在的动作或状态。
recently, lately, since...., for...., so far, up to now, in the past few years, etc.
(for/since:动词不能用短暂性动词 die/ be dead.)
8. 过去完成
①以过去某个时间为标准,在此以前发生的动作或行为;②在过去某动作之前完成的行为,即“过去的过去”。对过去有影响。
before, by the end of last year(term, month…), etc.
3. 时间线
(
过去的过去
) (
现在
) (
将来
) (
过去将来
) (
过去
)
Examples:
1. I often watch TV.
2. I watched TV just now.
3. We showed the visitors our new products yesterday.
4. I will visit the zoo on Sunday.
5. My mother told me she would visit the zoo next Sunday.
6. I am watching TV.
7. I was watching Tv when you came in.
8. I have finished my homework.
9.I had put my things away before I went to bed yesterday.
4. 时态注意事项:
(
4.1 将来时态 (will/ shall + V原)
)
1 be going to do……
2 be about to do…… (不与具体时间连用,与when连用)
3 be to do…… (是人所能安排的事情)
4 be due to do……
5 进行,表将来 —— 一些表示动作转换的终止性动词。(位置移动)
6 (
go, come, arrive, leave, start, fly, begin, stay, take off
)现在表将来==主将从现(时间,条件,让步状语从句)。
Examples:
1. I shall leave for Canada next Friday.
2. I am going to sell my old house.
3. Be quiet. The film is about to start.
4. I am to go home by foot.
5. I am due to graduate from high school in June.
6. Wait a minute. I am coming.
7. If you leave tomorrow, I will see you off at the airport.
(
4.2 完成时态 have/ has/ had + Vpp
)
(
⑴
区分:
) have / has gone to.... “去过”(去了没回来)
have/ has been to..... “去过”(去了又回来了)
(
⑵
句型
:it + be + the + 序数词 + time + that + ....... (从句)
)
练习:1. It is the first time that I __________ (go) to the Great Wall.
2. It was the second time that I _________ (go) to the Summer Palace.
(
4.3 进行时态 be + Ving
)
短语:be doing ..... when ......... “正在做...发生了....”
5. 时态一致性:
复合句中,谓语动词(V)的变化
主句
从句
1. 谓语时态是现在 或 将来时
从句的谓语根据具体情况使用任何时态。
2. 谓语动词是 过去时
谓语动词必须使用过去的范围时态
3. 主句不影响从句
从句是表示真理、自然现象、客观事实、格言和警句时,从句的谓语一律使用一般现在时。
4. 在时间、条件状语从句中,主句==将来时态时态
现在时态 (主将从现)
5. “命令,建议,要求、劝告”虚拟语气
从句 (should) + V原
1. ① He says that he lives in Beijing.
② We hope that there will be many people at your party today.
③ I don't know who bought the book.
2. ① He said he was writing a novel.
② The teacher wanted to know when we would finish the experiment.
③ He said his father had been an engineer.
3. ① The teacher told them light travels faster than sound.
② When I was a child, my teacher taught me that the earth circles around the sun.
4. ① I will go home by foot if it does not rain.
② Lucy will finish her work ahead of time when she gets extra money.
③ Although I help you, you should try your best at first.
5. My mother suggested that I (should) go to bed before 11 o’clock.
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1
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