一般现在时.ppt三年级课件

复习•人称代词•主语•时态•一般现在时的含义•be动词在一般现在时中的用法•实义动词在一般现在时中 的用法 句子结构1. 肯定句当主语为第一人称，第二人称和第三人称复数时：主语 + 实义动词原形 + 其他eg: You speak English.当主语为第三人称单数时： 主语 + 实义动词单三 + 其他eg: She speaks English. 2. 动词第三人称单数的变化规则•一般情况下，在动词后直接加s.•以e结尾的动词，在词尾直接加s.•以s,x,ch,sh,o结尾的动词，在词尾加es.以辅音+y结尾的动词，把y变为i, 再加es.练习stand play like go dance draw write tidy catch help fly touch take dostands plays likesgoes dances drawswrites tidies catcheshelps flies touches takes does 3.3.一般疑问句一般疑问句当主语为第一，二称，或第三人称复数时：Do + 主语 + 动词原形 +其他肯定回答 Yes, 主语 + do否定回答 No, 主语 + do not do not = don'teg: Do you speak English? Yes, I do. No, I don't.当主语为第三人称单数时：Does + 主语 + 动词原形 + 其他肯定回答 Yes, 主语 + does否定回答 No, 主语 + does not does not = doesn'teg: Does she speak English? Yes, she does. No, she doesn't.4. 4. 否定句否定句当主语为第一，二称，或第三人称复数时：主语 + don't + 动词原形 + 其他eg: You don't speak English.当主语为第三人称单数时：主语 + doesn't + 动词原形 + 其他eg: She doesn't speak English.根据图画利用所学的一般现在时造句。

根据图画利用所学的一般现在时造句Jim plays computer games every Monday.Jim Play computer gamesevery Mondayhe play basketballevery SaturdayHe plays basketball every Saturday.They go shopping every Sunday.they go shoppingevery SundayThe boyplay footballWednesdayThe boy plays football on Wednesday.作业•一般现在时练习。