新版七年级英语下册section A 课件.ppt

规则动词过去式词尾-ed的读音 动词一般过去时，表示过去发生事； be用was或用were, have, has变had； 谓语动词过去式，过去时间坐标志； 一般动词加-ed，若是特殊得硬记。 否定句很简单，主语之后didn’t添； 疑问句也不难，did放在主语前； 如果谓语之前有did，谓语动词需还原； 动词若是was,were,否定就把not添。 规则动词过去式的构成 studied worried study worry 结尾是“辅音字母+y”的动词，先变“y”为“ i”再加-ed stopped tripped stop trip 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 hoped lived hope live 结尾是e的动词加-d worked played work play 一般在动词原形末尾加-ed 过 去 式 原形 构成规则 needed /ni:did/ / it / /id/ 在t, d 后面 passed /pa:st/ /t/ 在清辅音后面 moved /mu:vd/ /d/ 在浊辅音和元音后面 例 词 读 音 读音规则 清念 /t/, 元浊/d/; /t/ /d/ 之后念/id/ 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。 yesterday last night/week/ time.. … days ago On 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. 巧记一般过去时 Dear Bill, How _____ (is) your school trip yesterday? _____ (do) you _____ (go) to the zoo? _____ (do) you take any photos? _____ (do) you _____ (see) any interesting animals? I _____ (go) to the zoo last year and it _____ (is) a lot of fun. Jim was 3a. Complete two letters. Did go Did Did saw went was Dear Jim, My school trip _____ (is) great! We _____ (have) so much fun! We _____ (go) to Green Park. We _____ (climb) the mountains there and _____ (see) a lot of flowers. We _____ (eat) our lunch under some trees and ______ (play) some games after that. But at about two o’clock, it _____ (get) very cloudy and we _____ (worry) it would rain. Luckily, it ___________ (do not), and the sun _____ (come) out again! Bill was had had climbed saw ate played got worried didn’t not came My school trip was great! We had so much ____! We went to Green