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, 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一、一般现在时：概念：经常、反复发生的动作或行为及现在的某种状况。
时间状语：often，usually，always，sometimes，every week（day，year，month．．．），once a week，on Sundays，etc．基本结构：①be动词；②行为动词否定形式：① am ／is ／are ＋not；②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。
一般疑问句：①把be动词放于句首；②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。
二、一般过去时：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。
时间状语：ago，yesterday，the day before yesterday，last week（year，night，month．．．），in 1989，just now，at the age of 5，one day，long long ago，once upon a time，etc．基本结构：①be动词；②行为动词否定形式：① was／were ＋not；②在行为动词前加didn't，同时还原行为动词。
一般疑问句：①was或were放在句首；②用助动词do的过去式did提问，同时还原行为动词。
三、现在进行时：概念：表示现阶段或说话时正在进行的动作及行为。
时间状语：now，at this time，these days，etc．基本结构：am／is／are ＋doing否定形式：am／is／are ＋not＋doing一般疑问句：把be动词放在句首四、过去进行时：概念：表示过去某段时间或某一时刻正在发生或进行的行为或动作。
时间状语：at this time yesterday，at that time或以when引导的谓语动词是一般过去时的时间状语等。
基本结构：was／were ＋doing否定形式：was／were ＋not＋doing一般疑问句：把was或were放在句首五、现在完成时：概念：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。
时间状语：recently，lately，since．．．，for．．．，in the past few years，etc．基本结构：have／has ＋done否定形式：have／has ＋not＋done一般疑问句：have／has放于句首六、过去完成时：概念：以过去某一时间为标准，在此以前发生的动作或行为，或在过去某动作之前完成的行为，即“过去的过去”。
时间状语：before，by the end of last year（term，month．．．），etc．基本结构：had ＋done否定形式：had ＋not＋done一般疑问句：had放于句首七、一般将来时：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。
时间状语：tomorrow，next day（week，month，year．．．．），soon，in a few minutes，by．．．，the day after tomorrow，etc．基本结构：①am／is／are／going to ＋do；②will／shall＋do否定形式：①am／is／are ＋not＋going to ＋do；② will／shall＋not＋do一般疑问句：①be放于句首；② will／shall提到句首八、过去将来时：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。