Lesson 72 When did you...（课件）新概念英语第一册

Lesson 72 When did you...? What did they do this morning? They cleaned their shoes. What did she do this evening? She turned on the television. What did she do last night? She listened to the radio. Yesterday,my brother ______ me to say happy birthday A.calls B.called C.is calling D.was calling B What did they do ______? They ___________. What did she do ___________? She ___________. What did she do ___________? She ___________. What did __________? _________________. What did __________? _________________. Thet _______ some trees in the park yesterday. A.will plant B.plant C.planted D.are planting C Grammar 动词原形——过去式 air-aired clean-cleaned open-opened sharpen-sharped turn-turned listen-listened boil-boiled 过去式的变化规则： 1.直接在词后 + ed 2.以e结尾的词，直接+d. 3.以辅音+y结尾的，把y变成 i + ed 一般过去时 肯定句结构：主语 + 动词过去式 +其他+ 时间状语 否定句结构：主语+didn't +动词原形+其他+ 时间状语 一般疑问句结构：Did +主语+动词原形+其他+ 时间状语？ 肯定回答： Yes,主语+ did. 否定回答： No,主语+ didn’t. He _______ his homework last night. A.didn't do B.didn't C.didn't did D.doesn't do A SUMMARY 过去式的变化规则： 1.直接在词后 + ed 2.以e结尾的词，直接+d. 3.以辅音+y结尾的，把y变成 i + ed 一般过去时 肯定句结构：主语 + 动词过去式 +其他+ 时间状语 否定句结构：主语+didn't +动词原形+其他+ 时间状语 一般疑问句结构：Did +主语+动词原形+其他+ 时间状语？ 肯定回答： Yes,主语+ did. 否定回答： No,主语+ didn’t. 肯定句：主语+动词过去式+其他+时间状语. 否定句：主语+didn't+动词原形+其他+时间状语. 一般疑问句：Did+主语+动词原形+其他+时间状语？ 肯定回答：Yes,主语+did. 否定回答：No,主语+didn't. 特殊疑问句：What did+主语+动词原形+其他+时间状语？ Thank you! $$