英语九年级【知识精讲】8.动词时态(4)一般过去时 课件
展开一般过去时表示过去某个时间发生过了的动作或存在过的状态。即描述已经发生过了的事情。I was a student ten years ag. I went t schl by bike every day last year.
1. yesterday, the day befre yesterday, in 2010, (three days) ag, last (night, mnth, year, weekend), just nw, in the past2. 另一般过去时也表示经常或反复发生的动作,常和ften, always等表示频率的时间状语连用。 I always went t schl n ft last year.
①I was a student ten years ag. ②They were hungry just nw. ③The bike was under the tree yesterday. ④It was rainy last Sunday. ⑤They were very happy at Kangkang’s birthday party.
(1)be型:表示主语以前的个性、特征或状态。
主+was/were+n./adj./adv.短语
(2)d型: 主语+动词过去式动词did型由行为动词过去式充当谓语,表示以前做过的某事。① I knew him when I was yung. ②He believed me at that time .
(3)there be型:表示某地曾经存在…,某地曾有…句子构成:there be+主语+其他 There was…/There were…用法:遵循“就近原则”(1)There was an eraser n the teacher‘s desk.(主语an eraser是单数) (2)There were five apples, an range and eight bananas in the bag.(并列主语中的第一个主语five apples是复数)
(4)情态动词型:表示主语过去或曾经能做的事情。(wuld,culd)构成:主语+情态动词过去式+动词原形①He culd speak a little English last year.②What culd she d when he was ten.
动词原形变为过去式的规则
动词不规则变化
(1)is /am—was are—were d—did have/has—had g—went meet—met cme—came take—tk steal—stle eat—ate fly—flew run—ran see—saw say—said make—made find—fund stand—std sit—sat sing—sang drink—drank give—gave ring—rang swim—swam write—wrte ride—rde drive—drve draw—drew grw—grew knw—knew get—gt frget—frgt sweep—swept keep—kept sleep—slept speak—spke break—brke tell—tld sell—sld buy—bught think—thught catch—caught teach—taught build—built can—culd shall—shuld will—wuld (2)过去式与动词原形一样:let—let must—must put—put read—read
(1)含有was/were和情态动词的句子(2)含有实义动词did的句子
(1)含有was/were和情态动词的句子:一般疑问句: was/were和情态动词提到句首否定句: 在was/were动词和情态动词后加ntHis parents were bth wrkers ten years ag. (改为否定句和一般疑问句) She culd help her parents d sme husewrk last Sunday. (改为否定句和一般疑问句)
(2)含有实义动词did的句子:变一般疑问句和否定句“三步走”①找:找出句子中的实义动词②借:根据实义动词的过去式借助动词did(didn’t)③变:助动词一出现,谓语动词变为原形I went t schl by bike every day last year. (改为否定句和一般疑问句)
(1)表在过去某个特定时间发生且完成的动作,或过去习惯性动作,不强调对现在的影响,只说明过去。常和明确的过去时间连用,yesterday,last week,in 1945, nce, during the war,a few days ag(2)used t + d,表示过去经常但现在已不再维持的习惯动作。t为不定式,后接动词原形。(和be used t ding进行区分)(3)在时间和条件状语从句中,代替过去将来时。
单项选择。一Gd afternn,Miss Zhang. Hw des Tm feel?— He's tired. He a lt f wrk .A. des; this mrningB. d; this mrningC. did; this mrningD. des; this mrning
单项选择Half an hur ag, I ________ the ld wman ________ the street.A. lead; thrughB. led; thrughC. lead; crssD. led; acrss
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