小学英语-一般过去时-一般现在时-一般将来时[一].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 worked Did I work? I did not work Did I not work? He(she,it) worked Did he(she,it) work? He (she,it)did not work Did he(she,it)not work? We worked Did we work? We did not work Did we not work? You worked Did you work? You did not work Did you not work? They worked Did they work? They did not work Did they not work? 动词变化规则 规则变化： 1．直接加ed：work—— worked look——looked play——played, 2．以e结尾的单词，直接加d：live ——lived　　 3 以辅音字母+y结尾的，变y为i加ed：study—— studied carry——carried worry——worried, 　　4以元音字母+y结尾的，直接加ed：enjoy ——enjoyed play——played 　　5 以重读闭音节结尾的，双写最后的辅音字母+ed：stop—— stopped plan——planned 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 HYPERLINK /view/749941.htm \t _blank 辅音字母+y结尾的词变y为i再加-es 　　try - tries，carry - carries