Unit11 SectionA Grammar一般过去时 课件2022-2023学年人教版英语七年级下册

一般过去时 Simple Past Tense 含义： 指过去发生的动作或存在的状态。 昨天他骑自行车去上学。 He went to school by bike yesterday. Mary 一小时前写了家庭作业。 Mary did her homework one hour ago. 1.一般过去时的用法 （1）例句： 他让我们摘苹果。 He told us to pick apples. 表示说话前所发生的动作。 （2）例句： 放学后，我骑自行车赶回家，下车，放下 我的书包，然后就进屋了。 After school I hurried to ride my bike, got off the bike, put down my bag and went into the house. 表示过去所发生的一系列动作。 （3）例： 雷锋同志在他的生命中总是做好事。 Comrade Lei Feng did good deeds in his life. 讲述（过去的）故事或表示已故的人所做的事情。 结构： 动词的一般过去式。 没有人称和数的变化.(was,were除外) I lost my keys last week. He did his homework one hour ago. I was in Chongqing last night. They were 12 years old last year. 标志词： yesterday the day before yesterday(前天) last + week / month / year / night / term a week / two months/ three hours ago just now（刚才） 具体的一个过去的日期: in 1998 7 （2）有时与连词 when，after，before，until等引 导的表示过去的时间状语连用。 我去年11岁. I ____ 11 years old last year. 他昨天在上海。 He ____ in Shanghai yesterday. was was They ____ in Japan last week. 他们上周在日本。 were 动词的变化规则： （1）be动词的过去式：am / is are （2）实义动词的过去式： ①一般在词尾加 -ed。 e.g. play—played； clean—cleaned ②以字母e结尾的直接加 -d。 e.g. live—lived； like—liked was were 规则变化 ③以“辅音字母+y”结尾的，变“y”为“i”，再加-ed。 e.g. study—studied； worry—worried ④末尾只有一个辅音字母的重读闭音节单词，先双写这 个辅音字母，再加-ed。 e.g. stop—stopped； plan—planned 动词过去式规则变化 规则动词过去式-ed的发音 1.在以清辅音结尾的规则动词后,-ed读作/ t / work /w3:k/ ed t/ 2.在以浊辅音或元音结尾的规则动词后, -ed读作/d / play /pleI / live /lIv / ed d/ ed d/ 3.在以/t/或/d/结尾的规则动词后, -ed读作/Id / visit /’vIzIt / ed Id/ finished enjoyed shouted moved helped wanted called needed /t/ /d/ /Id/ /d/ /d/ /t/ /Id/ /Id/ 动词过去式不规则变化 ⑤不规则变化。 例如：let→let put→put cut→cut do→did go→went have→had eat→ate buy→bought write→wrote swim→swam sing→sang begin→began （1）含be动词过去时的句型：