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(day,year,month…),on Sundays,3.基本结构：动词 原形 （如主语为第三人称单数,动词上要改为第三人称单数形式） 4.否定形式：主语/三单+do/does not+V原+其他 5.一般疑问句：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.二、 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.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+动词或be的过去时+名词 4.否定形式：主语+was/were +not+其他;在行为动词前加didn't,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.例句：She often came to help us in those days.I didn't know you were so busy.三、现在进行时 1.概念：现在进行时表示现在或当前一段时间正在进行的动作.可以表示有计划的未来,也就是用现在进行时表示将来.2.时间状语：now,at the moment ,at the time ,today ,tonight ,this morning ,this afternoon ,this evening ,this week ,this month ,this year ,while ,ect.3.基本结构：主语+be+v.-ing〔现在分词〕形式 4.形式：肯定句:主语+ be（is/am/are）+ 现在分词 否定句:主语+ be（is/am/are）+ not + 现在分词 5.一般疑问句：Be(am,is,are) +主语+现在分词+其它?特殊疑问句：特殊疑问词+be(am,is,are)+主语+现在分词+其它?6.例句：The leaves are turning red.You are always changing your mind.四、 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.基本结构 主语+was/were +doing +其他 4.否定形式：主语+was/were + not +doing+其他 5.一般疑问句：把was或were放于句首.(第一个字母大写） 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,持续到现在的动作或状态.2.时间状语：yet,already,just,never,ever,so far,by now,since+时间点,for+时间段,recently,lately,in the past few years,etc.3.基本结构：主语+have/has +p.p（过去分词）+其他 4.否定形式：主语+have/has + not +p.p（过去分词）+其他 5.一般疑问句：have或has.6.例句：I've written an article.The countryside has changed a lot in the past few years.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 year (term,month…),etc.until,as soon as 3.基本结构：主语+had + p.p（过去分词）+其他 4.否定形式：主语+had + not +p.p（过去分词）+其他 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 基本结构：主语+had+p.p（过去分词）+其他 ①肯定句：主语+ had+p.p（过去分词）+其他 ②否定句：主语+ had+ not+p.p（过去分词）+其他 ③一般疑问句：Had+主语+p.p（过去分词）+其他?④特殊疑问句：特殊疑问词+一般疑问句?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…,the day after tomorrow,etc.3.基本结构：主语+am/is/are +going to + do+其他；主语+will/shall + do+其他 4.否定形式：主语+am/is/are not going to do ；主语+will/shall not do+其他 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.7.一般现在时表将来 ：come ,go ,arrive ,leave ,start ,beain ,return 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：主语+was/were +going to + do+其他；主语+would/should + do+其他 4.否定形式：主语+was/were/not + going to + do; 主语+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 .
