1、动词的语法1.时态2.语态3.非谓语动词4.虚拟语气动词的时态现在时现在时过去时过去时将来时将来时过去将来时过去将来时一般ask/asksaskedshall/will askshould/would ask进行am/is/are askingwas/were askingshall/will be askingshould/would be asking完成have/has askedhad askedshall/will have askedshould/would have asked完成进行have/has been askinghad been askingshall/will ha
2、ve been askingshould/would have been asking过去 1.一般过去式 2.过去完成时 3.现在完成时现在 1.一般现在时 2.现在进行时将来 1.一般将来时动词的时态1.一般现在时经常或习惯发生的动作或状态常用的时间状语They go to the Palace Museum once a year.动词的时态1.一般现在时表示客观真理、事实、人的技能或现在的状态时句子里一般不用时间状语The earth turns round the sun.动词的时态1.一般现在时表示十分确定会发生（如安排好的事情）或按照时间表进行的事情；用一般现在表将来，句子中可以
3、有将来时间。The train for Haikou leaves at 8:00 in the morning.动词的时态1.一般现在时时间状语从句和条件状语从句，一般现在时代替一般将来时。Please ring me up as soon as you arrive in Germany.If it rains tomorrow,we will have to stay at home.动词的时态2.一般过去时表过去的动作或状态可能是一次性，也可能经常发生Little Tom broke the window at half past nine this morning.He came t
4、o our city in the year 2000.动词的时态3.一般将来时表示将来某一时刻或经常发生的动作或状态时间状语will表动作与人的主观愿望无关 shall用于第一人称，will用于所有人称 am/is/are going to+动词原形 am/is/are to+动词原形 be to+动词原形表示打算或准备要做的事情，或主观判断即将要发生的事情。动词的时态4.现在进行时be(am is are)+现在分词I am writing a long novel.表示即将发生的动作，一般指近期安排好的事情What are you doing tomorrow?动词的时态4.现在进行时表
5、频繁发生或反复进行的动作，常与always等频度副词连用，以表示赞扬、不满或讨厌等情感色彩He is always borrowing money from me and forgetting all about it some time later.动词的时态5.过去进行时was或were+现在分词过去进行时的时间状语用于宾语从句或时间状语从句中，表示与主句动作同时进行而且是延续时间较长。句子中通常不用时间状语。动词的时态He was cooking supper this time yesterday.The little girl was playing with her toy whe
6、n I saw her.She saw it happen when she was walking past.动词的时态6.现在完成时have（has）+done时间状语I have never seen such fine pictures before.He has just gone to England.动词的时态6.现在完成时表示过去开始一直延续到现在的动作或状态I have been away from my hometown for thirty years.Uncle Wang has worked in the factory since it opened.动词的时态6.
7、现在完成时在完成时中，一个瞬间性动词（一次性动作）不能与表示一段时间的状语连用，此时须将该瞬间动词改为延续性动词或状态动词。动词的时态7.过去完成时表示的时间是“过去的过去”助动词had+动词的过去分词时间状语过去完成时常用于宾语从句中，after引导的从句中，或者从句是before引导的主句中。动词的时态8.过去将来时should或would+动词原形构成时间状语在时间状语从句和条件状语从句中不可以使用过去将来时，而应该使用一般过去时表示纯粹的将来时用would或should；表示打算或主观认为的事情用was/were going to(+动词原形)动词的时态8.过去将来时He promis
8、ed that he would pay me a lot of if I helped him with the project.Every time when he was free,he would sit down and read some books.She told me she would be 18 the next month.She told me that she was going to have a walk with her pet dog.动词的时态9.现在完成进行时指一个过去就开始一直延续到现在并有可能继续下去的动作，它具有现在完成时和现在进行时双重特征结构：
9、have/has+been+动词的现在分词动词的时态现在时现在时过去时过去时将来时将来时过去将来时过去将来时一般ask/asksaskedshall/will askshould/would ask进行am/is/are askingwas/were askingshall/will be askingshould/would be asking完成have/has askedhad askedshall/will have askedshould/would have asked完成进行have/has been askinghad been askingshall/will have been askingshould/would have been asking过去 1.一般过去式 2.过去完成时 3.现在完成时现在 1.一般现在时 2.现在进行时将来 1.一般将来时
