一般过去时省赛获奖.pptx

教材：人教版go for it学段：初一英语课题：一般过去时 一般过去时 Yesterday, a cat called Tom disappeared. We don’t know what happened? Now,I will send the police officers Judy and Nike to find the cat. 一般过去时概念一般过去时表示过去某个时间里发生的动作或状态；或者过去时间里，习惯性、经常性的动作、行为。 过去的时间yesterday昨天 the day before yesterday前天2.last+时间：last night昨晚 last week上周3.一段时间+ago：three days ago三天前 two months ago两个月前4.其他：just now刚刚 just then就在那时 Task1：火眼金睛Let’s help Judy and Nike to ask some suspects(嫌疑人)！Maybe，we can find the clues(线索）. Mark,What did you do yesterday?I was at home last night. What did you do yesterday?I worked with mayor(市长） yesterday. What did you do yesterday?I stayed with my brother. What did you do yesterday?I went to the park with my family.Who lied? 一般过去时的结构：1.主语+be动词过去时（was/were）+其它.eg. I was at home last night.我昨晚在家工作。2.主语+实义动词过去时+其它eg. I went to visit my grandparents。我昨晚拜访了我的祖父母。 过去时变化规则 be动词过去时 is,am-was are-were 情态动词过去时 can-could may-might will-would 规则动词过去时： 1.直接加ed 如：work-worked look-looked2.以e结尾且e不发音的单词，直接加d 如： live-lived like-liked 　3.以辅音字母+y结尾的，变y为i加ed 如：study-studied try-tried4.以重读闭音节结尾的，双写末尾的字母+ed 如： chat-chatted plan-planned 1形式无变化cut-cut set-set2改变了元音get-got give-gave3改变了辅音make-made spend-spent4元音和辅音都没有变化leave-left buy-bought5其他的am/is-was are-were 不规则动词 Let’s practice写出下列动词的过去时1.live 2.am 3.plan4.cost 5.sit 6.make 7.watch 8.put 9.have 10.stop11.study 12.like livedwasplannedcostsitmadewatchedputhadstoppedstudiedliked Task2 寻找证据找到嫌疑人的不在场证据！！。 1.当句中含be动词或情态动词时，将它们提到句首。 陈述句变一般疑问句1.当句中含be动词或情态动词时，将它们提到句首。 一般过去时的句型转换陈述句变一般疑问句1.当句中含be动词或情态动词时，将它们提到句首。 I was 11 years old last year. Were you 11 years old last year? 2.当句中没有be动词和情态动词时，在句首加Did，动词变原形。I worked with mayor（市长）yesterday.Did you work with mayor yesterday? 嫌疑人的家很明显，罪犯已经逃跑了！He was not at home yesterday.He didn’t stay with his brother. 陈述句变否定句子 1.当句中含be动词或情态动词时，在它们后面加not。 He was at home yesterday. He was not at