一般现在时与一般过去式区别1.doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date一般现在时与一般过去式区别1一般现在时与一般过去式区别1一般现在时一般过去时1表示经常性、习惯性的动作或存在的状态。e.g. I go to school on foot. He is very busy now. 2表示主语的特征、性格、能力、爱好等。 e.g. He can swim. I work hard. I like watching TV. 3表示客观真

2、理。 e.g. There are seven days in a week. The moon moves round the earth.1. 表示在的过去某个时间里所发生的动作或存在的状态。时间状语有:yesterday, last week, an hour ago, in 198, when, last XXX等。 e.g. I was at the zoo yesterday. I went to bed at eleven last night. When I was a child, I often played football in the street. My fathe

3、r often drove to work last year. 陈述句构成:1. 主语+be(am,is,are)+其它。Be 的用法:I用 am,you用are,is用于他(he)、她(she) 、它(it),复数(we,you,they)全部都用are. E.g.: I am a teacher. You are a worker. She/He is a student. We/You/They are students.2. 主语+行为动词+其它。当主语为第三人称单数(he, she, it)时,动词第三人称单数的变化规则: 1. 直接在词尾加s swim-swims 2.当词尾是s

4、,x,sh,ch,o时,加es go-goes3. 当词尾是辅音字母加y时,把y改为i加es carry-carries e.g. Mary likes English. 一般现在时 陈述句构成:1. 主语+be的过去式(was, were)+其它。Be的过去式的用法: was用于我(I)、他(he)、她(she) 、它(it),复数(we,you,they)全部都用were. E.g.: I was at home yesterday. We were in the gym just now.2. 主语+动词的过去式+其它。动词过去式的规则变化: 1. 直接在词尾加 ed look-look

5、ed2. 以e结尾之直接加d use-used3. 以辅元辅结尾,双写最后一个辅音字母加ed stop-stopped 4. 以辅音加y结尾,把y改成i加ed try-triede.g. He worked in Shanghai ten years ago.否定句构成:1.主语+be(am,is,are)+not+其它。e.g. I am not a teacher. He isnt a worker.2.主语+ dont/ doesnt +行为动词+其它。当主语是单数第三人称时,它与助动词does有关,但是动词谓语一定要恢复为原形。当主语是其他人称时,它与助动词do有关。e.g. I do

6、nt like dogs. She doesnt like dogs.否定句构成:1. 主语wasnt/werent其它。(was + not = wasnt were + not = werent)e.g. He wasnt an English teacher I was not a teacher. He wasnt a worker.2. 主语didnt动词原形其它。 (did + not = didnt) He didnt do morning exercises yesterday.一般疑问句构成: Do主语动词原形其它? e.g. Do you like English? Am/Is/Are+主语其它? e.g. Are you a student?特殊疑问句构成:特殊疑问词do+主语动词原形其它?e.g. what do you do?特殊疑问词is/are其它? 一般疑问句构成:Did主语动词原形其它? e.g. Did you study English in 1990? Was/Were+主语其它? e.g. Was he a pupil five years ago?特殊疑问句构成:特殊疑问词did+主语动词原形其它? Where did your parents live five years ago?特殊疑问词were/was其它? 一般过去时-

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