五年级上册英语课件－M1U2 We bought ice creams ｜外研版（三起） (共34张PPT)

温馨小提示：一般过去时态： 用来描述自己和他人在过去某一时间所进行的活动。 表示过去的时间：yesterday昨天, then 那时 last week上周, last weekend上周末等等。 主语+动词的过去式+其他。 Amy phoned Grandma. 构成： Then Now They were young,then. Now,they are old. then now She was cute then. She is beautiful now. Yesterday Sam played on the computer. Yesterday he played on the computer . I played on the computer yesterday. Yesterday I played football . Today I play football. They walked in the park yesterday. Today they walk in the park. 动词过去式变化规则 ed,ed 小尾巴,动词后面跟着它. 如果动作是过去,千万不要忘了它. 1 规则动词ed加; 2 有e直接把d加; 3 辅音字母后跟y,先要把y变成i, 再把ed后面加; 4 重读音节辅元辅,双写再把ed加; 5 特殊单词变化多,牢牢把它们记心中. 动词be的变化 动词be,变化多. 我是am,你是are, is连着他,她,它. 单数is,复数are. 如果动作成过去,千万记着变化它. is变成was用,am 也要变was, are就变were吧. 虽然换了件衣服,我们也能分清楚. is,am 还有are,表的情况是现在, 如果情况变过去,was,were来替代. 原形 过去式 原形 过去式