(冀教版)六年级英语下册unit4_lesson27PPT课件.ppt

（冀教版）六年级英语下册课件 unit4,Lesson 27 I remember,go(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,一般过去时,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。,yesterday last night in 1990 two 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 2、结尾是 e 的动词加 - d like liked invite invited,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 stopped,4、结尾是“辅音字母+y”的动词，先变“y”为“i”再加ed,study studied,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：asked helped laughed talked 2、元浊 /d/ ,即 ed 在元音，浊辅音后面念 /d/ , 例：played called 3、/t/ /d/ 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 was are were take took tell told bring brought buy bought lose lost put put,原形 过去式 go went have had do did see saw say said win won get got read read,Do you like my baby? Did you like my baby?,Yesterday today Cleaned clean Washed wash Talked talk Wanted want Laughed 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.,