必威体育精装版现在完成时讲解课件新现在完成时讲解课件.ppt

语法课堂;判断下列句子的时态;上一页;Read and translate(读并且翻译); 现在完成时的构成;1. 规则动词：与过去时变化相同。 　　(1) 一般+-ed 　　 work---worked---worked 　　(2) 以“ e ”结尾, + - d 。 　　 live---lived ---lived 　　(3) “辅音字母 + y” 结尾，y 变 i, + -ed。 　　 cry---cried---cried 　　(4) 重读闭音节结尾(辅元辅)，双写后+-ed 。 　　 drop---dropped--dropped 2 、不规则动词，见不规则表（p145）;过去分词的构成;现在完成时;现在完成时的主要用法;现在完成时的主要用法;;现在完成时的基本句型：;常用的关键词;现在完成时的时间状语;上一页; He has already finished his homework. I havent seen much of him recently. We have seen that film before. Have they found the missing child yet ？;Exercises;用since和for填空 1) ______ two years 2) _______ two years ago 3) _______ last month 4) ______ 1999 5) _______ about two weeks 6) ______ she left here 1. He has lived in Nanjing ________ the year before last. 2. I’ve known him __________ we were children. 3. Our teacher has studied Japanese _________ three years. 4. She has been away from the city ________about ten years. 5. It’s about ten years __________ she left the city.;;Good luck to you See you next class