(
课件网) 人教新目标版 七年级下 Unit 12 What did you do last weekend SectionB 1a-1e公开课 Warming-up Let's enjoy a video. What did the girl do yesterday She planted trees yesterday. planted (plant的过去式) plant Did the girl study yesterday No,she didn't. Revision Can you add -ed to the words work-- _____ worked ask-- _____ asked look-- _____ looked live-- _____ lived move-- _____ moved use-- _____ used study-- _____ studied carry-- _____ carried try-- _____ tried stop-- _____ stopped ship-- _____ shipped copy-- _____ copied dance-- _____ danced play-- _____ played skip-- _____ skipped 口诀 规则变化 直 1. 一般情况下，直接在动词后加-ed。 去 2. 动词以不发音的-e结尾，要去-e加-d。 双 3.重读闭音节的动词，要双写词尾字母，再加-ed。 变 4. 以辅音字母加y结尾的动词，把y变成i再加-ed。 keep-- _____ kept sleep-- _____ slept feel-- _____ felt build-- _____ built send-- _____ sent spend-- _____ spent sit-- _____ sat drink-- _____ drank give-- _____ gave sing-- _____ sang ride-- _____ rode drive-- _____ drove write-- _____ wrote 中间去e末尾加t. 结尾d变t 遇见i改为a 骑马开车写字,把i 改o 口诀 部分不规则动词变化 think-- _____ thought buy-- _____ bought 想，买， 带来， 打仗 ,ought 换上 teach-- _____ taught catch-- _____ caught 教书， 抓住，aught 莫忘. draw-- _____ drew know-- _____ knew ow/aw改为ew是新时尚， put-- _____ put read-- _____ read let-- _____ let cut-- _____ cut 放， 让，读，切，过去式和原型一个样. 不规则变化需要 单独记忆 Lead-in Sally and Jim did something interesting yesterday. something interesting意为“一些有趣的事”，形容词修饰something, anything, nothing等不定代词时应后置，在句中作后置定语。 Sally Jim Guessing game What did they do yesterday Guess! --Did they...... --Yes,they did. /No,they didn't. They flew a kite yesterday morning. flew(fly的过去式) fly kite风筝 --Did they...... --Yes,they did. /No,they didn't. They sang and played the guitar yesterday morning. sang(sing的过去式) sing --Did he...... --Yes,he did. /No,he didn't. He swam in a swimming pool yesterday afternoon. swam(swim的过去式) swim 游泳池 --Did he...... --Yes,he did. /No,he didn't. He had dinner with friends last night. had(have的过去式) have --Did she...... --Yes,she did. /No,she didn't. She went to the library yesterday afternoon. went(go的过去式) go --Did she...... --Yes,she did. /No,she didn't. She studied for a test last night. stuied(study的过去式) study fly a kite sing and play the guitar have dinner with friends study for a test go to the library swim in a swimming pool Simple past tense 动词原形 动词过去式 flew a kite sang and played the guitar had dinner with friends studied for a test went to the library swam in a swimming pool fly a kite放风筝 fly此处用作及物动词，意为“放飞(风筝、飞机模型等)”。其过去式为flew。 eg：My father helped me to fly the model plane. 我的父亲帮助我放飞飞机模型。 fly用作不及物动词，其常见用法为：①意为“飞，飞行”，fly to＋地点表示“乘飞机去……”。eg：We flew to Beijing yesterday.我们昨天乘飞 ... ...
