Verb Tense.ppt

1、Verb Tense,There are 16 kinds of tenses in English . In junior high school, we mainly study eight kinds of tenses.,simple present tense 一般现在时,概念：经常、反复发生的动作或行为及现在的某种状况。 时间状语： Always, usually, often, sometimes, every week (day, year, month), never, on Sundays,基本结构： sub.+v+pre. He is always ready to he

2、lp others. It seldom snows here. Action speaks louder than words. 否定形式：be+not do/does+not 一般疑问句 :Be/Do/Does,二、simple past tense 一般过去时,概念：过去 动作或状态 ,过去习惯性、经常性 eg. She often came to help us in those days. 时间状语：ago, yesterday, last(year, month ) 基本结构： sub.+p+pre. 否定形式： be+not /did+not+v I didnt know you

3、 were so busy. 一般疑问句：Be/Did Did you join the club yesterday? * put/put read/read It _ very cold outside, so she put on his mittens. key：was,三、present continuous tense 现在进行 时,概念：现阶段或说话时正在进行 时间状语：now, at this time, days, look, listen . 基本结构：sub.+be +doing +pre. He is doing well in his lessons. 否定形式：su

4、b.+be +not +doing+pre. He is not doing well in his lessons. 一般疑问句：be Is he doing well in his lessons?,四、past continuous tense 过去进行时,概念：过去 某段时间或某一时刻 时间状语：at this time yesterday, at that time 基本结构:sub.+be +doing +pre. She was working in a bank at that time. 否定形式：主sub.+be + not +doing+pre. She was not

5、working in a bank at that time. 一般疑问句:be Was she working in a bank at that time? be: was/were,五、present perfect tense 现在完成时,概念：过去发生或已经完成 对现在造成的影响或 结果 或从过去已经开始 持续到现在 时间状语：yet,already,just,never,ever,so far,by now,since+时间点，for+时间段 基本结构：sub.+have/has +pp+pre The countryside has changed a lot in the pa

6、st few years. 否定形式：sub.+have/has + not +pp+pre. The countryside has not changed a lot in the past few years. 一般疑问句：have/has Has the countryside changed a lot in the past few years?,六、 past perfect tense 过去完成时,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” eg. As soon as we got to the station, th

7、e train had left. 时间状语：Before, by the end of last year (term, month) 基本结构：sub.+had + p.p+pre. We had reviewed four books by the end of last month. 否定形式：sub.+had + not +p.p+pre. We had not reviewed four books by the end of last month. 一般疑问句：had Had you reviewed four books by the end of last month?,七、

8、simple future tense 一般将来时,概念：将要发生的动作或存在的状态及打算、计划或准备做某事 时间状语：tomorrow, next day(week, month, year),soon, in a few minutes, the day after tomorrow 基本结构：sub.+be +going to + do+其他 It is going to rain. sub.+will/shall + do+其他 They will have a competition with us in studies. 否定形式：sub.+be+ not+going to do

9、sub.+will/shall not do+其他 It is not going to rain. They will not have a competition with us in studies. 一般疑问句：be/will/shall Is it going to rain？ Will they have a competition with us in studies？,八、future-in-the-past tense 过去将来时,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） eg. He said he would go to Beijing the next

10、 day. 时间状语：the next day (morning, year),the following month(week) 基本结构：sub.+was/were +going to + do+其他 sub.+would/should + do+其他 I asked who was going there . His mother told him she would give him a present. 否定形式：sub.+was/were/not + going to + do sub.+would/should + not + do 一般疑问句：was/were would/sh

11、ould,the sequence of tense时态的呼应,名词性从句,尤其是其中的宾语从句中的动词时态,长受主句中时态的影响. 例如： she toldJohn that she liked his tie. 时态的呼应只出现在主句谓语是过去时或完成时的时候。 eg. I thought the experiment was going on now . She said our new teacher would be here next week 。 谓语动词：一般现在时-一般过去时 一般过去时-过去完成时 一般将来时-过去将来时 不遵守时态的呼应规则：从句的谓语表示的是一个人或物的经常性特点 The boy learned yes