英语八大时态结构含例句王.doc

（8种）：时态 天天外语时态-page1时态概念：不同时间发生的动作或存在的状态，用不同的动词形式表示，称为时态。一、 一般现在时: 表示现在 经常发生的或习惯性的动作，及客观现实和普遍真理。结构: 肯定句 主语+be (am, is, are ) + 其他 eg: I am Chinese. 否定句 主语+be not +其他 eg: I am not a boy. 疑问句 Be+主语+其他 eg: Are you a girl?或: 肯定句 主语+动原+其他 (三单作主语动词要变形) eg: I (He) often get (gets) up early. 否定句 主语+dont+动原+其他 (三单作主语dont变doesnt) eg: I (She) dont (doesnt) like him.疑问句 DO+主语+动原+其他 (三单作主语do变does ) eg: Do you like playing baseball?Does she like playing football ?The sun rises in the eat .关键词: sometimes有时，often经常, usually通常, always总是, everyday每天, on Sunday afternoon在周日下午, five days a week一周五天, three times a month一个月三次 二、现在进行时: 表示现在 此时此刻 正在发生的动作结构: 肯定句 主语+be+动词的现在分词(ing)+其他 eg: I am reading now.否定句 主语+be not+动词的现在分词(ing)+其他 eg: I am not working. 疑问句 Be +主语+动词的现在分词+其他 eg: Are you sleeping?关键词:now现在, at the moment此刻, look, listen, keep quiet等提示语. 三、一般将来时: 表示将来某个时间 ，将要发生的动作。结构: 肯定句 主语+will+动词原型+其他 eg: I will call you later.否定句 主语+will not +动词原型+其他 eg: I will not go to the park.疑问句 Will +主语+动词原型+其他 Will you go shopping with her?(will 可改为be going to ,当主语是第一人称时will可用shall) 关键词:tomorrow, next year明年, tonight今晚, this year今年, at the end of this term这学期期末, from now on从现在开始, soon一会儿 马上, later后 稍后，in three days三天之内, in the future未来四、 一般过去时: 表示过去某个时间，发生的动作 。句子结构:肯定句 主语+be(was,were)+其他 eg: I was born on July.1st, 2000.否定句 主语+be not+其他 eg: I was not born in 1999. 疑问句 Be+主语+其他 eg: Were you born in January? 或: 肯定句 主语+动词的过去式(ed)+其他 Lily went shopping yesterday. 否定句 主语+did not+动原+其他 eg: He did not go to school today. 疑问句 Did+主语+动原+其他 eg:Did she pass the test? 关键词:yesterday昨天,last week上周, last year去年, 一段时间+ago如ten years ago十年前 five hours ago五小时前, in +年/月，on+具体日期.Just now=a moment ago刚才, 天天外语时态-page2五、 过去进行时:表示过去某一时刻或某阶段时间，正在发生的动作结构: 肯定句 主语+was/were+动词的现在分词+其他eg: I was doing my homework at 8 oclock yesterday evening.否定句 主语+was/were not +动词的现在分词+其他 They were not staying at home at this moment last Sunday. 疑问句 Was/Were + 主语+ 动词的现在分词+其他 Were you sleeping when I called you last night? 关键词:具体时间如:at ten oclock yesterday morning, at this moment last Sunday上周日的这个时候. 六、 现在完成时:表示过去发生的动作对现在造成的影响。或过去发生的动作一直持续到现在。结构:肯定句 主语+have/has+动词的过去分词+其他(三单变成has) eg: This year alone, weve already planted ten thousand trees否定句 主语+have/has not+动词的过去分词+其他 eg: He has not arrived at home yet. 疑问句 Have/Has +主语+动词的过去分词+其他 eg: Have you been to China? 关键词:already已经, yet还, just刚刚, ever曾经, never从不,so far目前, for +一段时间,since+过去的具体时间，this year alone今年以来,these five years alone这五年以来,in the last ten years 在过去的十年中 七、 过去将来时:从过去的某个时间点看，将要发生的动作或状态。结构: 肯定句 主语+ would+动原+其他 eg: I didnt know if he would come.否定句 主语+ would not +动原+其他 eg: They were not going to go hiking unless they finished their homework. 疑问句 Would+主语+动词原型+其他 (would you like是词组 一个固定搭配 一般用表示礼貌的问)eg: Would you like to have a dinner with me? (would可改为was/were going to ,主语第一人称时would也可以用should) 八、 过去完成时: 表示在过去某一时间之前已经完成的动作或状态，强调“过去的过去”结构: 肯定句 主语+had +动词的过去分词+其他 eg: Mr. Smith died yesterday. He had been a good friend of mine. 否定句 主语+had not +动词的过去分词+其他 eg: He said he has