一般过去式ppt课件.pptx
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1、、一般过去时表示的意思,(引例),He lived here ten years ago. I stayed at her home last night. It was very hot yesterday.,动词形式:动词的过去式 用法: 表示过去某一时间内发生的动作或存在的状态。,、一般过去时的时间短语,常见的表示过去时间概念的短语: last night, yesterday, last year, ago,just now,in 过去年份 等,这些短语的位置:句首 、 句末e.g. We cleaned the classroom this morning. This morning
2、 we cleaned the classroom.,、动词过去式的变化(规则动词),一般在词尾加 ed ask asked; help helped e.g. They asked me the time just now. 以 e 结尾直接加 d arrive arrived e.g. I arrived late this morning.,动词过去式的变化(规则动词),以重读闭音节结尾的,则双写 plan planned e.g. We planned to go to the party. 以辅音字母 y 结尾,去 y 变 i 加 ed。 如 try tried; study stu
3、died e.g. He tried to climb the tree, but he could not.,动词过去式的变化(规则动词),练习: 规则动词的过去式的变化方式 (书本) P151,、动词过去式的变化(不规则动词),例: go went drink drank eat ate see saw,练习: 不规则动词的过去式的变化 (书本) p153,动词过去式的变化(不规则动词),e.g. I went to his birthday party last night. I met my teacher in the street today.,知识结构,一般过去时,构成,用法,常
4、用时间,动词的过去式,1、表示过去某个时 间发生的动作或存在的状态。2、表示过去经常或 反复发生的动作动作。,yesterdaylast nightin 1990two days ago,动词过去式的构成,规则动词,不规则动词,构成,读音,规则动词过去式的构成,构成规则,例词,1、一般在动词原形末尾加 ed look looked play played start started2、结尾是 e 的动词加 - d live lived hope hoped use used,3、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ed,stop stoppedplan planne
5、dtrip tripped,4、结尾是“辅音字母+y”的动词, 先变“y”为“i”再加ed,study studiedcarry carried,清念 /t/ ,元浊/d/ ; /t/ /d/ 之后念/id/,规则动词词-ed的读音,说明:1、清念 /t/ ,即 ed 在清辅音后面念 /t/ ,例:finished helped passed cooked2、元浊 /d/ ,即 ed 在元音,浊辅音后面念 /d/ , 例:borrowed enjoyed called moved 3、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/ 例:wanted sh
6、outed needed counted,写出下列动词的过去式,getislivesentdriverunaskpushsayhurry,tryuseworkstopjumpmeetreadseetravelcarry,gotwaslivedsentdroveranaskedpushedSaidhurried,triedusedworkedstoppedjumpedmetreadsawtravelledcarried,不规则动词表,goam/ isarebeginmeetwritebuildbuycanhave/has,takecatchcomedoswimdrinkdriveeatgetse
7、e,was,were,began,met,wrote,built,bought,could,caught,came,did,swam,drank,drove,ate,got,went,had,took,spend,spent,leave,left,saw,用 法,1、表示过去某个时间发生的动作或存在的状态。 He was here yesterday. I got up at six thirty yesterday morning. My father was at work yesterday afternoon. Did you have a good time last summer?
8、,2、表示过去经常或反复发生的动作。 My father often went to work by bus last year. When I was a child, I often listened to music.,常用时间,常与一般过去时态连用的时间有:,yesterdayyesterday morning (afternoon, evening)last night (week, month, year)two days ago, a week ago, three years agoin 1990, (in 1998),一般过去时态常用的时间状语,一般来说,一般过去时都有明显的
9、时间状语,它们可以是单词,也可以是短语或从句。1.yesterday或以其构成的短语:yesterday morning(afternoon, evening)等;2. 由“last+一时间名词”构成的短语:last night, last year (winter, month, week)等;3. 由“时间段+ago”构成的短语:a moment ago, a short time ago, an hour ago等;4. 由“介词+一时间名词”构成的短语:on Friday, on Monday morning, on April 15, on the night of Oct. 1;
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