一般过去时用法讲解_1.pdf

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1、一般过去时用法讲解 1、概述 一般过去时表示过去某个时间发生的动作或状态;常和表示过去的时间连用;yesterday;last night;in 1990;two days ago 等.也表示过去经常或反复发生的动作;常和 often;always 等表示频度的时间状语连用.I got up at 6:30 yesterday.我昨天 6:30 起床.He always went to work by bus last year.去年他总是坐公交车上班.2、一般过去时的构成 一般过去时由规则动词-ed/-d 或不规则动词的过去时表示;除 be 外;其余动词没有人称和数的变化.各种动词的否定结构

2、和一般疑问结构;与一般现在时的否定结构和疑问结构相同.3.Be 动词在一般过去时中的变化：am 和 is 在一般过去时中变为 was.was not=wasnt are 在一般过去时中变为 were.were not=werent 带有 was 或 were 的句子;其否定、疑问的变化和 is;am;are 一样;即否定句在 was 或 were 后加 not;一般疑问句把 was 或 were 调到句首.4句中没有 be 动词的一般过去时的句子 否定句：didnt+动词原形;如：Jim didnt go home yesterday.一般疑问句：在句首加 did;句子中的动词过去式变回原形.

3、如：Did Jim go home yesterday 特殊疑问句：疑问词+did+主语+动词原形 如：What did Jim do yesterday 疑问词当主语时：疑问词+动词过去式 如：Who went to home yesterday 5.规则动词过去式变化规则 一般在动词末尾加-ed;如：play-played;cook-cooked 结尾是 e 加 d;如：like-liked love-loved 末尾只有一个元音字母和一个辅音字母的重读闭音节;应双写末尾的辅音字母;再加-ed;如：stop-stopped 以“辅音字母+y”结尾的;变 y 为 i;再加-ed;如：stud

4、y-studied 6.-ed 的发音规则：.在清辅音后面;-ed 读作/t/;如：kissed/kist/talked/t:kt/washed/w t/.在元音或浊辅音后面;-ed 读作/d/;如：played/pleid/robbed/r bd/rained/reind/.在以字母 t 或 d 结尾的动词后面;-ed 读作/id/;如：wanted/w ntid/added/did/planted/pla:ntid/6、一般过去时的用法 1 表示过去某个特定时间发生的动作或存在的状态 常有明确的时间状语;如 yesterday;last night;some years ago;in189

5、0等;以及由 when 等引导的时间状语从句.Tom didnt come to class yesterday.汤姆昨天没来上课.We went to dance last night.昨晚我们去跳舞了.-Hello I didnt know you were in London.How long have you been here 喂我不知道你在伦敦.你来多久了 2 表示过去的习惯性或经常发生的动作 常与 always;often;usually;seldom 等表示频度的副词连用.When I was in the countryside;I often called on my ol

6、d friends there.我在乡村里;经常去拜访那里的朋友.I went to the cinema once a week when I was at school.我上学时每周去看一场电影.注意：表示过去经常或反复发生的动作;还可用 used to 或 would 加动词原形表示.When I stayed at Aunt Lius;she would tell me about the great changes which had taken place in the village since liberation.当我住在刘大娘家时;她常常告诉我解放以来农村发生的巨大变化.S

7、he used to go for a walk after supper;but now she prefers to stay at home.她过去晚饭后总出去散步;但现在她却喜欢呆在家里.3 用来代替过去将来时 在条件、时间状语从句中;常用一般过去时代替过去将来时.They said they would let us know if they heard any news about him.他们说如果听到什么关于他的消息;就通知我们.He promised that when he went to the bookstore;he would buy me a book.他答应去书店时为我买本书.He said he would not go if it rained.他说如果天下雨就不去了.They told us that they would not leave until she came back.他们告诉我们;直到她回来他们才会离开.