Unit 11 Section A 2 Grammar Focus- 3a Free talk:Name What did you do on your school trip? Tom went to a farm, milked a cow Lily rode a horse, picked some strawberriesEric went fishing, watched the starsWang visited grandparentsHai go ride do is are have eat buy see写出下列动词的过去式 , 找出规则动词过去式的构成。 pick visit watch climb study worry play live stop went rode did was were had ate bought saw picked visited watched climbed studied worried played lived stopped 规则动词不规则动词 规则动词过去式的构成规则动词过去式的构成规则动词过去式的构成规则动词过去式的构成构成规则原形过 去 式一般在动词原形末尾加 -ed work play worked played结尾是 e 的动词加 -d hope live hoped lived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 trip stopped tripped结尾是“辅音字母 +y” 的动词，先变“ y” 为“ i”再加 -ed study worry studiedworried 规则动词过去式词尾 -ed 的读音读音规则读 音例 词在浊辅音和元音后面 /d/ moved /mu:vd/ 在清辅音后面/t/ passed /pa:st/在 t, d 后面/ it / /id/needed /'ni:did/清念 /t/, 元浊 /d/; /t/ /d/ 之后念 /id/ 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 night/week/ time..… days agoOn Sunday morning一般过去时一般过去时 am(is) →was are →were陈述句： He was at home yesterday.否定句： He wasn’t at home yesterday.疑问句： Was he at home yesterday? Yes, he was./No, he wasn’t. 陈述句：主语 + 动词过去式 + 其它I go to the movie. →I went to the movie.否定句：主语 + 助动词 didn’t+ 动词原形 + 其它I don’t go to school today. →I didn’t go to school.一般疑问句： Did + 主语 + 动词原形 + 其它 ?Do you have breakfast? →Did you have breakfast?Yes, I do./No, I don’t. Yes, I did./No, I didn’t. 动词一般过去时，表示过去发生事；be 用 was 或用...
