北师大版(三年级起点)六年级下册unit 7 vacation lesson 2 课件 （四）.pptVIP

Unit 7 Vacation Lesson 2 Let’s Practice 知 识 结 构 一般过去时 构成 用法 常用时间 动词的过去式 (规则与不规则） 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。 1. yesterday(morning/… 2. last night/week/year Monday/Tuesday… 3. in 1990/2001… 4. 时间段+ago(…之前) 5. just now(刚才） 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 want wanted 2、结尾是 e 的动词加 --d live lived like liked 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 plan planned trip tripped 4、结尾是“辅音字母+y”的动词，先变“y”为“i”再加 --ed study studied carry carried 清念 /t/ ,元浊/d/ ; /t/ /d/ 之后念/id/ 规则动词后-ed的读音 说明： 1、清念 /t/ ，即 ed 在清辅音后面念 /t/ , 例: finished passed talked helped watched 2、元浊 /d/ ,即 ed 在元音，浊辅音后面念 /d/ , 例: borrowed enjoyed called moved planned 3、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/ 例: wanted shouted needed started visited Please look at the following sentences What’s the date today? 2.What’s the weather like today? What _____ the weather like yesterday? What _____ the date yesterday? was was 动词过去式知多少？（请观察给出的动词，你能写出其它动词的过去式吗？） 1) want - wanted 2)live--lived 3) study – studied clean – cleaned dance – danced play – played turn ______ practice _______ stay _______ start ______ hope _______ cry ________ wish _________ agree _______ carry _______ 4)stop—stopped plan______ turned started wished practiced hoped agreed stayed cried carried planned did went had was read saw wrote Exercise1 你知道下列动词的过去式吗？ do ______ go ______ have _____ is_____ read______ see_______ write______ 用所给词的适当形式填空。 1. Mr Brown ______(live) in T