小学英语_一般过去时_一般现在时_一般将来时[1].doc

一般过去时1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。 2时间状语：ago,yesterday,the day before yesterday,last week,last(year,night,month),in 1989,just now,at the age of 5,one day,long long ago 3基本结构：be动词或行为动词的过去式 4否定形式：was/were+not;在行为动词前加didnt，同时还原行为动词。 5一般疑问句：was或were放于句首；用助动词do的过去式did 提问，同时还原行为动词。 6例句：She often came to help us in those days. I didnt know you were so busy. 一般过去式的构成形式 肯定式疑问式否定式疑问否定式I workedDid I work?I did not workDid I not work?He(she,it) workedDid he(she,it) work?He (she,it)did not workDid he(she,it)not work?We workedDid we work?We did not workDid we not work?You workedDid you work?You did not workDid you not work?They workedDid they work?They did not workDid they not work?动词变化规则规则变化： 1直接加ed：work worked looklooked playplayed, 2以e结尾的单词，直接加d：live lived3 以辅音字母+y结尾的，变y为i加ed：study studied carrycarried worryworried, 4以元音字母+y结尾的，直接加ed：enjoy enjoyed playplayed 5 以重读闭音节结尾的，双写最后的辅音字母+ed：stop stopped planplanned一般现在时： 1.概念：经常、反复发生的动作或行为及现在的某种状况。 2.时间状语： always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays, 3.基本结构：动词原形（如主语为第三人称单数，动词上要加（e）S） 4.否定形式：am/is/are+not;此时态的谓语动词若为行为动词，则在其前加dont,如主语为第三人称单数，则用doesnt，同时还原行为动词。 5.一般疑问句：把be动词放于句首；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。 6.例句：. It seldom snows here. He is always ready to help others. Action speaks louder than words. 基本结构肯定式疑问式否定式否定疑问式I work.Do you work?I dont work.Dont you work?You work.Do you work?You dont work.Dont you work?We work.Do you work?We dont work.Dont you work?They work.Do they work?They dontwork.Dont they work?He(She,It) works.Does he(she,it) work?He(She,It) doesnt work.Doesnt he(she it) work?谓语动词的变化规律是： (1) 在动词后加-s，-es read - reads，write - writes，say - says (2) 以s，x，ch，sh，o 结尾的词加-es teach - teaches，wash - washes，guess - guesses (3) 以辅音字母+y结尾的词变y为i再加-es try - tries，carry - carries (4) 特殊变化的词 have (有) - have, has I, we, you, they, 名词复数都用have she/he/it is, 名词单数都用 has一般将来时： 1.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。 2.时间状语：tomorrow, next day(week, month, year),soon, the day after tomorrow,3.基本结构：am/is/are/going to + do；will/shall + do. 4.否定形式：was/were + not; 在行为动词前加didnt，同时还原行为动词。 5.一般疑问句：be放于句首；will/shall提到句首。 6.例句：They are going to have a competition with us in studies. It is going to rain. 基本句型 肯定句：I/We shall/will go. You/He/