英语八大时态结构_含例句
时态（8个）：
一般现在时: 经常或习惯性的动作
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+don't+动原+其他 (三单作主语don't变doesn't)
eg: I (She) don’t (doesn’t) like him.
疑问句 DO+主语+动原+其他 (三单作主语do变does)
eg: Do (Does) you (she) like playing baseball?
关键词: sometimes=at times有时，often经常, usually通常, always总是, every day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…
现在进行时: 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.
一般将来时: 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…
一般过去时: 过去发生的动作 强调时间
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,in the old days从前, long ago很久以前...
过去进行时: 过去正在发生的动作
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 o’clock 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 o'clock yesterday morning, at this moment last Sunday上周日的这个时候...
现在完成时: 过去发生的动作对现在造成的影响 强调动作或其产生的
结果
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, we've 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…
过去将来时:
结构: 肯定句 主语+ would+动原+其他 eg: I didn't 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)
过去完成时:
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 not been to America.
疑问句 Had+主语+动词的过去分词+其他
eg: Had he completed his homework by the time you got there.
关键词: 句子中的两个动作都发生在过去