初中英语-一般过去时讲解课件（39张）

课件39张PPT。一般过去时1、 时态介绍 2、判断标志 3、一般过去时构成 4、 一般过去时的句式变化 5、谓语变化 6、练习1.定义： （用法一） 一般过去时态表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用; 例句:I got up at 7:00 yesterday. My father was at work yesterday afternoon （用法二） 也表示过去经常或反复发生的动作,常和表示频度的时间状语连用。 例句: He always went to work by bus last year. （含有频度副词： often always 等，但主要还是含有过去时间状语） . 1.与ago 连用： a moment two minutes three hours five days one week six months four yearsago2、一般过去时的判断标志： 明确的过去时间状语lasttime night week month term Mondayyesterdaymorning afternoon eveningthe day before yesterday 2.与last 连用3.与yesterday 连用：4.与one 连用：onemorning evening day Monday afternoon5.与that 连用：thatmorning winter day yearjust now in the old days in those days in 1980 the other day at that time once upon a time6.其他时间状语：3、一般过去时的构成所有时态都是通过动词变化来表现的E.g. You are right. 一般现在时 I want to go to school. We are doing our housework now. 正在 The bus is leaving at 8:00. 进行 时 be动词(was,were) 助动词(did) 主语+谓语 情态动词(could,might) 实义动词(有确切含义的动词，可 以单独做谓语,如:played 等) 例如： They were happy. He played football. You did your homework. 4、一般过去时句式变换一般过去时态句式的构成陈述句式进入下页返回首页一般过去时态句式的构成疑问句式返回上页返回首页1.肯定句：主语 + 行为动词过去式 be动词过去式(was / were) e.g. We played football yesterday. I was in the office last night. He couldn’t swim 10 years ago. 2.否定句 did not / didn’t + 行为动词原形 was not / wasn’t + 其他成分 were not / weren’t + 其他成分 e.g. I was not in the office last night. I didn't sing a song at Kangkang's party. I didn't play video games.3. 一般疑问句 did + 主语 +行为动词原形 was / were + 主语 +其他成分 eg. - Did you go shopping yesterday? -Yes, I did. / No, I didn’t. -Was she 15 years old last year? 4. 特殊疑问句 特殊疑问词 +did + 主语 +行为动词原形 特殊疑问词 +was / were + 主语 +其他成分 eg. - Did you go shopping yesterday? When and where were you born?5、谓语变化构成规则例词1. 一般在动词原形末尾加-ed look looked play played start started 2. 结尾是 e 的动词加 -d live lived hope hoped use used3. 末尾只有一个辅音字母的重读 闭音节词，先双写这个辅音字 母，再加-edstop stopped plan planned trip tripped4. 结尾是“辅音字母+y”的动词， 先变“y”为“i”再加-ed study studied carry carried规则动词过去式的构成说明： 1、清念 /t/ ，即 ed 在清辅音后面念 /t/ , 例：finished helped passed cooked 规则动词-ed的读音元浊 /d/ ,即 ed 在元音，浊辅音后面念 /d/ , 例：borrowed enjoyed called moved、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/ 例：wanted shouted needed countedgrow -- grew know -- knew throw -- threw blow -- blew write -- wrote drive -- drove ride -- rode get -- got forget -- forgot lend -- lent send -- sent spend -- spent say -- said */sed/ pay -- paid stand -- stood understand -- understood let -- let put -- put cut -- cut read -- read*am, ... ...