一、 一般現(xiàn)在時(shí)：
1.概念：經(jīng)常、反復(fù)發(fā)生的動(dòng)作或行為及現(xiàn)在的某種狀況.
2.時(shí)間狀語(yǔ)： always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays,
3.基本結(jié)構(gòu)：動(dòng)詞 原形 （如主語(yǔ)為第三人稱單數(shù),動(dòng)詞上要改為第三人稱單數(shù)形式）
4.否定形式：am/is/are+not;此時(shí)態(tài)的謂語(yǔ)動(dòng)詞若為行為動(dòng)詞,則在其前加don't,如主語(yǔ)為第三人稱單數(shù),則用doesn't,同時(shí)還原行為動(dòng)詞.
5.一般疑問句：把be動(dòng)詞放于句首；用助動(dòng)詞do提問,如主語(yǔ)為第三人稱單數(shù),則用does,同時(shí),還原行為動(dòng)詞.
6.例句：. It seldom snows here.
He is always ready to help others.
Action speaks louder than words.
二、 一般過去時(shí)：
1.概念：過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為.
2.時(shí)間狀語(yǔ)：ago, yesterday, the day before yesterday, last week,last(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.
3.基本結(jié)構(gòu)：be動(dòng)詞；行為動(dòng)詞 的過去式
4.否定形式：was/were+not;在行為動(dòng)詞前加didn't,同時(shí)還原行為動(dòng)詞.
5.一般疑問句：was或were放于句首；用助動(dòng)詞do的過去式did 提問,同時(shí)還原行為動(dòng)詞.
6.例句：She often came to help us in those days.
I didn't know you were so busy.
三、 現(xiàn)在進(jìn)行時(shí)：
1.概念：表示現(xiàn)階段或說(shuō)話時(shí)正在進(jìn)行的動(dòng)作及行為.
2.時(shí)間狀語(yǔ)：now, at this time, these days, etc.
3.基本結(jié)構(gòu)：am/is/are+doing
4.否定形式：am/is/are+not+doing.
5.一般疑問句：把be動(dòng)詞放于句首.
6.例句： How are you feeling today?
He is doing well in his lessons.
四、 過去進(jìn)行時(shí)：
1.概念：表示過去某段時(shí)間或某一時(shí)刻正在發(fā)生或進(jìn)行的行為或動(dòng)作.
2.時(shí)間狀語(yǔ)：at this time yesterday, at that time或以when引導(dǎo)的謂語(yǔ)動(dòng)詞是一般過去時(shí)的時(shí)間狀語(yǔ)等.
3.基本結(jié)構(gòu)：was/were+doing
4.否定形式：was/were + not + doing.
5.一般疑問句：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、 現(xiàn)在完成時(shí)：
1.概念：過去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果,或從過去已經(jīng)開始,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài).
2.時(shí)間狀語(yǔ)：recently, lately, since…for…,in the past few years, etc.
3.基本結(jié)構(gòu)：have/has + done
4.否定形式：have/has + not +done.
5.一般疑問句：have或has.
6.例句：I've written an article.
The countryside has changed a lot in the past few years.
六、 過去完成時(shí)：
1.概念：以過去某個(gè)時(shí)間為標(biāo)準(zhǔn),在此以前發(fā)生的動(dòng)作或行為,或在過去某動(dòng)作之前完成的行為,即“過去的過去”.
2.時(shí)間狀語(yǔ)：before, by the end of last year(term, month…),etc.
3.基本結(jié)構(gòu)：had + done.
4.否定形式：had + not + done.
5.一般疑問句：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、 一般將來(lái)時(shí)：
1.概念：表示將要發(fā)生的動(dòng)作或存在的狀態(tài)及打算、計(jì)劃或準(zhǔn)備做某事.
2.時(shí)間狀語(yǔ)：tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.
3.基本結(jié)構(gòu)：am/is/are/going to + do；will/shall + do.
4.否定形式：was/were + not; 在行為動(dòng)詞前加didn't,同時(shí)還原行為動(dòng)詞.
5.一般疑問句：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.
八、 過去將來(lái)時(shí)：
1.概念：立足于過去某一時(shí)刻,從過去看將來(lái),常用于賓語(yǔ)從句中.
2.時(shí)間狀語(yǔ)：the next day(morning, year…),the following month(week…),etc.
3.基本結(jié)構(gòu)：was/were/going to + do；would/should + do.
4.否定形式：was/were/not + going to + do;would/should + not + do.
5.一般疑問句：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 .
九.將來(lái)完成時(shí)：
1.概念：在將來(lái)某一時(shí)刻之前開始的動(dòng)作或狀態(tài)
2.時(shí)間狀語(yǔ)：by the time of;by the end of+時(shí)間短語(yǔ)（將來(lái)）;by the time+從句（將來(lái)）
3.基本結(jié)構(gòu)：be going to/will/shall + have done
十.現(xiàn)在完成進(jìn)行時(shí):
1.概念：在過去某一時(shí)刻之前開始的動(dòng)作或狀態(tài)一直持續(xù)到說(shuō)話為止
2.基本結(jié)構(gòu)：have/has +been+doing
幾種常見時(shí)態(tài)的相互轉(zhuǎn)換
英語(yǔ)中的幾種時(shí)態(tài)在一定情況下可以互相轉(zhuǎn)換,以下是幾種常見的轉(zhuǎn)換形式：
十一、 一般過去時(shí)與現(xiàn)在完成時(shí)的轉(zhuǎn)換
在現(xiàn)在完成時(shí)中,延續(xù)性動(dòng)詞能與表示一段時(shí)間的狀語(yǔ)連用,瞬間動(dòng)詞卻不能.但是,可用別的表達(dá)方式：①瞬間動(dòng)詞用于“一段時(shí)間 + ago”的一般過去時(shí)的句型中；②瞬間動(dòng)詞可改成與之相對(duì)應(yīng)的延續(xù)性動(dòng)詞及短語(yǔ),與一段時(shí)間連用；③瞬間動(dòng)詞用于“It is + 一段時(shí)間 + since + 一般過去時(shí)”的句型中,表示“自從……以來(lái)有……時(shí)間”的意思,主句一般用it is來(lái)代替It has been;④瞬間動(dòng)詞用于“Some time has passed since + 一般過去時(shí)”的句型中.請(qǐng)看：
A. He joined the League two years ago.
B. He has been in the League for two years.
C. It is two years since he joined the League.
D. Two years has passed since he joined the League.
十二、 一般現(xiàn)在時(shí)與現(xiàn)在進(jìn)行時(shí)的轉(zhuǎn)換
在一般現(xiàn)在時(shí)中,at加上名詞表示“處于某種狀態(tài)”,如at work（在工作）, at school（上學(xué)、上課）等.此短語(yǔ)可與進(jìn)行時(shí)態(tài)轉(zhuǎn)換.請(qǐng)看：
Peter is at work, but Mike is at play.
Peter is working, but Mike is playing.
十三、 現(xiàn)在進(jìn)行時(shí)與一般將來(lái)時(shí)的轉(zhuǎn)換
在現(xiàn)在進(jìn)行時(shí)態(tài)中g(shù)o, come, leave, start, arrive等動(dòng)詞常與表示將來(lái)的時(shí)間狀語(yǔ)連用表示將要發(fā)生的動(dòng)作.如：I am coming, Mum! 意為“我就來(lái),媽媽!”請(qǐng)看：
The train is leaving soon.
The train will leave soon.
十六種時(shí)態(tài)
一般現(xiàn)在時(shí),一般過去時(shí),一般將來(lái)時(shí),一般過去將來(lái)時(shí)；
現(xiàn)在進(jìn)行時(shí),過去進(jìn)行時(shí),將來(lái)進(jìn)行時(shí),過去將來(lái)進(jìn)行時(shí)；
現(xiàn)在完成時(shí),過去完成時(shí),將來(lái)完成時(shí),過去將來(lái)完成時(shí)；
現(xiàn)在完成進(jìn)行時(shí),過去完成進(jìn)行時(shí),將來(lái)完成進(jìn)行時(shí),過去將來(lái)完成進(jìn)行時(shí)．
1、一般現(xiàn)在時(shí)
主要用來(lái)表示人、事物的現(xiàn)在狀況和特點(diǎn)；表示經(jīng)?；蛄?xí)慣性的動(dòng)作,句子中常有often, always, from time to time 等時(shí)間狀語(yǔ)； 表示客觀規(guī)律和永恒真理等.
He usually goes to work at 7 o’clock every morning.
She has a brother who lives in New York.
The earth goes around the sun.
Guangzhou is situated in the south of China.
考點(diǎn)一：表示永恒的真理,即使出現(xiàn)在過去的語(yǔ)境中,仍用一般現(xiàn)在時(shí).如：
I learned that the earth goes around the sun when I was in primary school.
考點(diǎn)二：在時(shí)間和條件狀語(yǔ)從句中,代替一般將來(lái)時(shí)；常用的引導(dǎo)詞有：
時(shí)間：when, until, after, before, as soon as, once, the moment/the minute, the day; 條件：if, unless, provided.
If he accepts the job, he will get more money soon.
考點(diǎn)三：在make sure (certain), see to it, mind, care, matter ＋賓語(yǔ)從句, 從句用一般現(xiàn)在時(shí)代替一般將來(lái)時(shí).
So long as he works hard, I don’t mind when he finishes the experiment.
只要他努力工作, 我不介意他什么時(shí)候做完試驗(yàn).
考點(diǎn)四：在the more… the more … (越……越……) 句型中, 若主句是一般將來(lái)時(shí), 從句通常用一般現(xiàn)在時(shí).
The harder you study, the better results you will get.
2、現(xiàn)在進(jìn)行時(shí)
表說(shuō)話時(shí)或目前一段時(shí)間內(nèi)正在進(jìn)行的活動(dòng)：或表感情色彩,加強(qiáng)語(yǔ)氣.與頻率副詞,如always,constantly,continually,again等連用表示說(shuō)話人的某種感情色彩（贊嘆、厭煩、埋怨等）.
We are having English class.
The house is being built these days.
The little boy is always making trouble.
考點(diǎn)一：在時(shí)間狀語(yǔ)或條件狀語(yǔ)從句中表示將來(lái)正在進(jìn)行的動(dòng)作.
Look out when you are crossing the street.
Don't wake him up if he is still sleeping at 7 tomorrow morning.
考點(diǎn)二： 表示在最近按計(jì)劃或安排要進(jìn)行的動(dòng)作（這時(shí)多有表示將來(lái)的時(shí)間狀語(yǔ)）.
Marry is leaving on Friday.
3、現(xiàn)在完成時(shí)
表示動(dòng)作發(fā)生在過去,完成在過去,但強(qiáng)調(diào)與現(xiàn)在情況仍有聯(lián)系,其結(jié)果或影響仍存在.現(xiàn)在完成時(shí)有一些標(biāo)志性的時(shí)間狀語(yǔ)：
考點(diǎn)一：for + 時(shí)間段；since + 時(shí)間點(diǎn)
They have lived in Beijing for five years.
They have lived in Beijing since 1995.
I have learned English for ten years.
考點(diǎn)二：常見的不確定的時(shí)間狀語(yǔ)：lately; recently, just, already, yet, up to now; till now; so far, these days,
Has it stopped raining yet ?
考點(diǎn)三：在表示“最近幾世紀(jì)/ 年/ 月以來(lái)……”時(shí)間狀語(yǔ)中,謂語(yǔ)動(dòng)詞用現(xiàn)在完成時(shí).
in the past few years/months/weeks/days；over the past few years; during the last three months; for the last few centuries, through centuries; throughout history 等
考點(diǎn)四：表示“第幾次做某事,”或在 “It is the best (worst, most interesting ) +名詞 ＋that” 后面跟現(xiàn)在完成時(shí).
This is my first time that I have visited China.
This is the most interesting film I have ever seen.
That is the only book that he has written.
4．一般過去時(shí)
表在過去某個(gè)特定時(shí)間發(fā)生且完成的動(dòng)作,或過去習(xí)慣性動(dòng)作,不強(qiáng)調(diào)對(duì)現(xiàn)在的影響,只說(shuō)明過去.常跟明確的過去時(shí)間連用,如：yesterday; last week; in 1945, at that time; once; during the war; before; a few days ago; when, 注意：
考點(diǎn)一：used to + do,表示過去經(jīng)常但現(xiàn)在已不再維持的習(xí)慣動(dòng)作.to為不定式,后接動(dòng)詞原形.
be/become/get used to + doing,表示習(xí)慣于
He used to smoke a lot.
He has got used to getting up early.
考點(diǎn)二：在時(shí)間和條件狀語(yǔ)從句中,代替過去將來(lái)時(shí).
He promised to buy me a computer if he got a raise
5. 過去進(jìn)行時(shí)
表示過去某個(gè)時(shí)間點(diǎn)或某段時(shí)間內(nèi)正在發(fā)生的動(dòng)作.
The boy was doing his homework when his father came back from work.
He was taking a walk leisurely by the lake when he heard someone shouted for help.
What were you doing at nine last night?
The radio was being repaired when you called me.
6. 過去完成時(shí)
表示過去某個(gè)時(shí)間之前已經(jīng)完成的動(dòng)作,即過去完成時(shí)的動(dòng)作發(fā)生在“過去的過去”,句中有明顯的參照動(dòng)作或時(shí)間狀語(yǔ),這種時(shí)態(tài)從來(lái)不孤立使用 ( before, after, by, up till )
There had been 25 parks in our city up till 2000.
By the end of last term we had finished the book.
They finished earlier than we had expected.
考點(diǎn)一：用于hardly/scarcely...when; no sooner ...than 句型中,主句用過去完成時(shí),從句用一般過去時(shí).
I had hardly finished my work when he came to see me.
I had no sooner got into the room than it began to snow.
No sooner had I arrived home than the telephone rang. （注意主謂倒裝）
考點(diǎn)二：表示“第幾次做某事”,主句用過去時(shí),從句用過去完成時(shí).
That was the second time that she had seen her grandfather.
It was 3 years since we had parted.
考點(diǎn)三：動(dòng)詞hope, expect, think, intend, mean, want, suppose, plan 用過去完成時(shí),表示未實(shí)現(xiàn)的愿望、打算和意圖.
I had hoped that I could do the job.
I had intended to see you but I was too busy.
7. 一般將來(lái)時(shí)
表在將來(lái)某個(gè)時(shí)間會(huì)發(fā)生的動(dòng)作或情況.常和tomorrow, next year, in 2008等表示將來(lái)的時(shí)間狀語(yǔ)連用,其表現(xiàn)形式多達(dá)5種.
Beijing will host the 29th Olympic Games in 2008.
考點(diǎn)一：一般將來(lái)時(shí)總是用在一些時(shí)間狀語(yǔ)從句或條件狀語(yǔ)從句的主句中：
We will begin our class as soon as the teacher comes.
（主句用一般將來(lái)時(shí),從句中一定要用一般現(xiàn)在時(shí)替代一般將來(lái)時(shí).）
考點(diǎn)二：某些表示短暫性動(dòng)作的動(dòng)詞如arrive, come, go, leave, start等,用現(xiàn)在進(jìn)行時(shí)形式表示將來(lái).
I am leaving for Beijing tomorrow.
考點(diǎn)三：“祈使句 + and/or + 句子”,這種結(jié)構(gòu)中and后面的句子謂語(yǔ)用一般將來(lái)時(shí).
Use your head and you will find a way.
考點(diǎn)四：“am (is, are) going to + 動(dòng)詞原形”,表示打算要做的事或可能要發(fā)生的事.
“am (is, are) about to + 動(dòng)詞原形”表示按照預(yù)定計(jì)劃或打算準(zhǔn)備著手進(jìn)行的動(dòng)作.
“am (is, are) to + 動(dòng)詞原形”表示必須、必然或計(jì)劃將要做的事.
They are to be married in this May.
8、將來(lái)進(jìn)行時(shí)
表將來(lái)某個(gè)時(shí)間正在發(fā)生的動(dòng)作,或按計(jì)劃一定會(huì)發(fā)生的事情.
I’ll be doing my homework this time tomorrow. 明天這會(huì)我正在寫作業(yè).
The President will be meeting the foreign delegation at the airport.
9、將來(lái)完成時(shí)
表在將來(lái)某時(shí)刻之前業(yè)已完成的事情,時(shí)間狀語(yǔ)非常明顯.
考點(diǎn)一：常用的時(shí)間狀語(yǔ)一般用by+將來(lái)的時(shí)間.如：by the end of this year, by 8 o’clock this evening, by March next year以及由by the time…, before或when等引導(dǎo)的副詞從句.
By the end of next month, he will have traveled 1000 miles on foot.
By the time you reach the station, the train will have left.
By next Tuesday, I will have got ready for the exams.
考點(diǎn)二：在時(shí)間和條件狀語(yǔ)從句中,將來(lái)完成時(shí)則由現(xiàn)在完成時(shí)表示.
The children will do their homework the moment they have arrived back from school.
10. 動(dòng)詞的語(yǔ)態(tài)
一般用于強(qiáng)調(diào)受者, 做題時(shí)謂語(yǔ)動(dòng)詞不再有名詞或賓語(yǔ).動(dòng)詞的語(yǔ)態(tài)一般不單獨(dú)考,而是和時(shí)態(tài)、語(yǔ)氣和非謂語(yǔ)動(dòng)詞一起考,只是需要注意以下考點(diǎn).
考點(diǎn)一：不能用于被動(dòng)語(yǔ)態(tài)的動(dòng)詞和詞組
come true, consist of, take place, happen, become, rise, occur, belong, break out, appear, arrive, die, fall, last, exist, fail, succeed
It took place before liberation.
考點(diǎn)二：下列動(dòng)詞的主動(dòng)語(yǔ)態(tài)表示被動(dòng)意義, 而且常與well, quite, easily, badly等副詞連用.
lock ( 鎖 ) ; wash ( 洗 ); sell ( 賣 ); read ( 讀 ); wear ( 穿 ); blame (責(zé)備)；ride (乘坐)； write ( 寫 )；
Glass breaks easily. 玻璃容易破碎.
The car rides smoothly. 這車走起來(lái)很穩(wěn).
The case locks easily. 這箱子很好鎖.
The book sells well. 這本書很暢銷.
考點(diǎn)三：一些常用經(jīng)典被動(dòng)句型：
It is said…, It is reported…, It is widely believed…, It is expected…, It is estimated…,
這些句子一般翻譯為“據(jù)說(shuō)……”,“人們認(rèn)為……”,
而 “以前人們認(rèn)為……” 則應(yīng)該說(shuō)：It was believed…, It was thought…
忽忽``
終于完了``
累死我了``采納我的吧~~