(共22张PPT)
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 过去时 将来时 过去将来时
一般 ask/asks asked shall/will ask should/would ask
进行 am/is/are asking was/were asking shall/will be asking should/would be asking
完成 have/has asked had asked shall/will have asked should/would have asked
完成进行 have/has been asking had been asking shall/will have been asking should/would have been asking
动词的时态
1.一般现在时
经常或习惯发生的动作或状态
①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
②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
③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
④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
①表过去的动作或状态
②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 to 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
①时间状语
②will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
①be(am is are)+现在分词
I am writing a long novel.
②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
③表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
①was或were+现在分词
②过去进行时的时间状语
③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 when I saw her.
She saw it happen when she was walking past.
动词的时态
6.现在完成时
①have(has)+done
②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
③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.现在完成时
④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”
①助动词had+动词的过去分词
②时间状语
③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
①should或would+动词原形构成
②时间状语
③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
④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 promised 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:have/has + been +动词的现在分词
动词的时态
现在时 过去时 将来时 过去将来时
一般 ask/asks asked shall/will ask should/would ask
进行 am/is/are asking was/were asking shall/will be asking should/would be asking
完成 have/has asked had asked shall/will have asked should/would have asked
完成进行 have/has been asking had been asking shall/will have been asking should/would have been asking