M7U1外研版小学英语(三起)四年级下册ppt课件.ppt

Module7,Unit1 I helped Mum.,yesterday 昨天 昨天老师做了什么，你知道昨天 老师都做了什么了吗？,I watched TV yesterday.,I played on the computer（电脑）.,I phoned(打电话)my friend yesterday.,I cooked (煮）noodles yesterday.,I helped Mum yesterday.,I washed （洗）clothes yesterday.,I watched TV . I played on the computer. I phoned my friend. I cooked noodles. I helped Mum .I washed clothes. 一般过去时态：用来描述自己和他人在过去某时间所进行的活动。,繁忙的昨天 Yesterday,wacth watched cook cooked help helped wash washed play played phone phoned,现在式,过去式,动词的过去式 : 1. 动词后面加ed, 2.以不发音字母e结尾的，只加d,小结,Chanted,ed 小尾巴过去动词跟着它，如果动作已发生，千万不要忘了它,play played phone phoned,wacth watchedcook cookedhelp helpedwash washed,现在式,过去式,现在式,过去式,ed发什么音？,/ d /,/ t /,I had（度过） a happy day yesterday.What about(怎么样) you?,have had,现在式,过去式,特殊变化,I didnt play football yesterday.,do did,现在式,过去式,didnt =did not 不是,特殊变化,特殊变化动词的过去式,现在式,过去式,have haddo didis wasam wasare were,