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英语八种时态基本构成形式 英语八种基本时态是指什么
英语八种基本时态是指什么 在英语中,一共有8个基本时态,分别来自于三时即过去、现在、将来。包括一般现在时、一般过去时、现在进行时、过去进行时、现在完成时、过去完成时、一般将来时、以及过去将来时。,一、
英语八种基本时态是指什么

在英语中,一共有8个基本时态,分别来自于三时即过去、现在、将来。包括一般现在时、一般过去时、现在进行时、过去进行时、现在完成时、过去完成时、一般将来时、以及过去将来时。,一、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…),once a week,on Sundays,etc.,基本结构:①be动词;②行为动词,否定形式:①am/is/are+not;②此时态的谓语动词若为行为动词,则在其前加don't,如主语为第三人称单数,则用doesn't,同时还原行为动词。,一般疑问句:①把be动词放于句首;②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。, eg:,①It seldom snows here. 这里很少下雪。,②He is always ready to help others. 他总是乐于帮助别人。,③Action speaks louder than words. 事实胜雄辩。, 二、一般过去时:,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。,时间状语:ago,yesterday,the day before yesterday,last week(year,night,month…),in 1989,just now,at the age of 5,one day,long long ago,once upon a time,etc.,基本结构:①be动词;②行为动词,否定形式:①was/were+not;②在行为动词前加didn't,同时还原行为动词。,一般疑问句:①was或were放于句首;②用助动词do的过去式did提问,同时还原行为动词。,eg:,①She often came to help us in those days.那些天她经常来帮助我们。,②I didn't know you were so busy.我不知道你这么忙。, 三、现在进行时:,概念:表示现阶段或说话时正在进行的动作及行为。,时间状语:now,at this time,these days,etc.,基本结构:am/is/are+doing,否定形式:am/is/are+not+doing.,一般疑问句:把be动词放于句首。, eg:,①Are you feeling good today?你今天感觉如何?,②He is doing well in his lessons.在课上他表现得很好。, 四、过去进行时:,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。,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。,基本结构:was/were+doing,否定形式:was/were+not+doing.,一般疑问句:把was或were放于句首。, eg:,①At that time she was working in a pany. 那段时间她在一家公司工作。,②When he came in, I was reading a newspaper. 他进来时,我正在读报纸。, 五、现在完成时:,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。,时间状语:recently,lately,since…for…,in the past few years,etc.,基本结构:have/has+done,否定形式:have/has+not+done.,一般疑问句:have或has提到句首。,eg:,①I've written an article. 我已经写了一篇论文。,②The countryside has changed a lot in the past few years. 在过去的几年,农村发生了巨大的变化。, 六、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”。,时间状语:before,by the end of last year(term,month…),etc.,基本结构:had+done.,否定形式:had+not+done.,一般疑问句:had提到句首。, eg:,①We had hoped that you would e, but you didn't. 那时我们希望你能来,但是你没有来。,②I had hardly opened the door when he hit me. 我刚打开门,他就打了我。, 七、一般将来时:,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。,时间状语:tomorrow,next day(week,month,year…),soon,in a few minutes,by…,the day after tomorrow,etc.,基本结构:①am/is/are/going to+do;②will+do.,否定形式:①am/is/are+not going to+do;②will+not+do,一般疑问句:①am/is/are放于句首;②will提到句首。,eg:,①They are going to have a petition with us in studies.他们将在学习中与我们竞争。,②It is going to rain.天要下雨了。, 八、过去将来时:,概念:表示从过去某一时间看的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:the next day(week,month,year…),soon,in a few minutes,etc.,基本结构:①was/were going to+do;②would+do.,否定形式:①was/were+not going to+do;②would+not+do,一般疑问句:①was/were放于句首;②would提到句首。, eg:,①He said he would go to Beijing the next day. 他说他第二天要去北京。,②I asked who was going there. 我问,谁要去那里。
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