小学英语知识点:一般过去时,动词过去式
一般过去时:表示过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为;过去主语所具备的能力和性格。be动词在第一人称是单数和第三人称是单数是用was,其余用were。a. 表示在过去时间里所发生的动作或存在的状态,常与表示过去的时间状语。yesterday(昨天)、last week (上星期)、an hour ago(一小时前)等连用。例:I went to the zoo with my father last Sunday. 上周日我和我爸爸去动物园了。They weren't able to come because they were so busy.他太忙了,所以去不了。b. 表示在过去一段时间里,经常性或习惯性的动作或状态。例:My brother watched the World Cup every day last month.上个月哥哥每天都看世界杯比赛。一般过去时句法结构:肯定形式主语+动词过去式+其他例句:She often came to help us in those days.否定形式①was/were+not;②在行为动词前加didn't,同时还原行为动词例句:I didn't know you like coffee一般疑问句①Did+主语+do+其他? ②Was\Were+主语+表语?例句:Did I do that?用表格整理如下:肯定式疑问式否定式疑问否定式IworkedDid I work?I did not workDid I not work?He(She,It) workedDid he(she,it) work?He(she,it) did not workDid he(she,it) notwork?We workedDid we work?We did not workDid we not work?You workedDid you work?You did not workDid you not work?They workedDid they work?They did not workDid they not work?结构句型:1.一般句子I watched TV last night.2.一般疑问句Did you watch TV last night?3.there be 句型There was an apple on the table last night.Was there an apple on the table last night一般过去时用法口诀:一般过去时并不难,过去动作、状态记心间。动词要用过去式,时间状语句末站。否定句很简单,didn't 站在动原前,其它部分不要变。一般疑问句也好变,did放在句子前,主语、动原、其它部分依次站。特殊疑问句也简单,疑问词加一般疑问句记心间。最后一条请注意,动词过去式要牢记!过去式和过去分词的构成表:词构成举例一般情况词尾+ed动词原形过去式和过去分词looktalklookedtalked以不发音字母e结尾词尾+dlikearrivelikedarrived以“辅以字母+y”结尾变y为i,再加edflystudyfliedstudied以重读闭音节结尾,且末尾只有一个辅音字母双写词尾+edstopplanstoppedplanned不规则变化的动词过去式:have---had are---were get---got say---said feel---felt do/does---did is---was go---went drink--drank eat--ate bring----brought think----thoughtbuy----bought catch---- caught teach ---- taught sit----sat wear----wore cut----cut sweep----swept sleep——slept become----became
