初中英语八大时态的内容

初中英语八大时态的内容

 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