1、（冀教版）六年级英语下册课件 unit4Lesson 27 I remembergo(went)buy(bought)see(saw)talk(talked)say(said)want(wanted)laugh(laughed)ask(asked)get(got)have(had)win(won)lose(lost)play(played)invite(invited)知识结构知识结构构成用法常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。yesterdaylast nightin 1990two days ago规则动词不规则动词构成读音规则
2、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 played2、结尾是 e 的动词加-d like liked invite invited3、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 stopped4、结尾是“辅音字母+y”的动词，先变“y”为“i”再加ed study studied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：asked helped laughed talked2、元浊/d/,即 ed 在元音，浊辅音后面念/d/,例：played called 3、/t/d
3、/之后念/id/,即 ed 在/t/d/音后面念/id/例：wanted needed不规则动词表原形过去式am/is wasare weretake tooktell toldbring broughtbuy boughtlose lostput put原形过去式go wenthave haddo didsee sawsay saidwin wonget gotread readDo you like my baby?Did you like my baby?Yesterday today Cleaned cleanWashed wash Talked talk Wanted wantLau
4、ghed laugh本课主要知识点规则与不规则动词变化汇总:am is(was)are(were)become(became)begin(began)bite(bit)blow(blew)buy(bought)catch(caught)come(came)dig(dug)do(dig)draw(drew)drive(drove)eat(ate)fall(fell)feed(fed)fell(felt)fly(flew)forget(forgot)get(got)give(gave)go(went)grow(grew)have has(had)ride(rode)know(knew)keep(kept)make(made)meet(met)run(ran)say(said)see(saw)sing(sang)sit(sat)课堂练习1填出下列单词过去式：clean wash talk want laugh am is are 2运用单词正确时态填空I-(go)to school by bike yesterday.Danny usually-(go)to school by bus.They never-（go）to schoo on foot.
