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2023年专升本英语必备知识点八大时态(1)

2022-06-27 来源: 库课网校

      专升本中英语是必考的。在英语学科中,时态无疑是最重要的语法内容,学好时态基本就拿下了语法的半壁江山。库课小编为大家整理了专升本英语的重难点,2023年参加专升本考试的同学可以提前记背下。

  一般现在时

  1、概念:表示经常发生的情况;有规律出现的情况;总是发生的;事实真理。

  2.时间状语: Always, usually, often, sometimes, every week (day, year, month…), once a week (day, year, month…), on Sundays (on Mondays…), etc.

  3.基本结构:主语+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+am / is / are+not+其他;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。

  5.一般疑问句:把 be 动词放于句首;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。

  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+动词的过去式或 be 的过去式+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。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。

  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+其它;主语+will / shall+do+其它

  4.否定形式:主语+am /is/ are not going to+do;主语+will / shall not do+其它

  5.一般疑问句:be 放于句首;will / shall 提到句首。(首字母大写)eg:①They are going to have a competition 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。

  一般过去将来时

  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+其它;主语+would / should+do+其它

  4.否定形式:主语+was / were+not+going to+do+其它;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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