1、一、一般现在时（常态）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：主语+be+其它主语+动原/三单 +其它动词原形 /（如主语为第三人称单数，动词上要改为第三人称单数形式）4.否定形式：am/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 放于句首； do/ does
2、提句首，后面动词现原形。6.例句：I am a boy. I am happy.I love my mother./He loves his mother.The sun rises in the east. (爱好，习惯，真理，自然规律，事实，状态 )二、正在（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, listen, look，at the moment.etc.3.基本结构：主语+be(am/is/are)+v-ing4.否定形式：be+not+doing.5.一般疑问句：把 be 放于句首。6.例句：He is do
3、ing his homework.三、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,the day after tomorrow, etc.3.基本结构：主语+be going to do+动原主语+will/shall + 动原4.否定形式：be not going to（ 动原）will/shall not do（ 动原）5.一般疑问句：be 放于句首；will/shall 提到句首。6.例句：It is going
4、to rain.I will/shall go home after school.四、一般过去时1.概念：过去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；表示客观规律和永恒真理等。2.时间状语：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.基本结构：主语+be（was/were）+其它主语+v-ed+其
5、它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； do 变 did 提句首，后面动词现原形。6.例句：I was busy just now.I didnt know you were so busy.五、现在完成时1.概念：过去不确定的时间内发生的事情，与现在有着某种联系。 （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，持续到现在的动作或状态。 ）1.已经完成。2.还未完成，以后继续。1.I have done my homework already. 2.I have studie
6、d English 3 years already.2.时间状语：recently, lately, sincefor,in the past few years, etc.3.基本结构：主语+have + 过去分词主语（三单）+has+过去分词4.否定形式：主语+have/has + not + 过去分词5.一般疑问句：have/has+主语+过去分词6.例句：I have had lunch already.（已经）I havet had lunch yet.（还没有）(already 用于肯定句 yet 用于否定句)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，
7、或在过去某动作之前完成的行为，及过去的过去。2.时间状语：before, by the end of last year (term ,month),etc.3.基本构成：had+done4.否定形式：had+not+done5.一般疑问句：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 read five books.七、将来完成时1.概念：在将来某一时刻之前开始的动作或状态2.时间状语：by the time of;by the end o
8、f+时间短语（将来）;by the time+ 从句（将来）3.基本结构：be going to/will/shall + have done4 例句:By the time you get back, great changes will have taken place in this area.八、过去进行时1.概念：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。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.基本构成：was/were+doing4.否定形式：was/were+no
9、t+doing5.一般疑问句：把 was/were 放于句首6.例句：At that time she was working in a PLA unit.When he come in, I was reading a book.九、过去将来时1.概念：立足于过去某时刻，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.基本构成：was/were/going to dowould/should do4.否定形式：was/were/not going to dowould/sh
10、ould not do5.一般疑问句：was/were 放于句首; would/should 提到句首6.例句：I asked who was going there.He said he would go to Beijing the next day .十、现在完成进行时1.概念：在过去某一时刻之前开始的动作或状态一直持续到现在说话为止（现在的动作可能刚刚终止，也可能正在进行。2.时间状语：3.基本构成：have/has+been doing4.否定形式：have/has+ not+been doing5.一般疑问句：have/has 放于句首6.例句：I have been sitting here all afternoon.How long has it been raining?现在完成进行时和现在完成时的区别1.现在完成进行时一般强调过去发生的动作现在仍在继续。2.现在完成时强调过去发生的动作现在已经完成或表示曾经发生过。I have been writing an article.（我一直在写一篇文章。 ） （仍在）I have written an article. （我已写好一篇文章。 ） （已完成）
