M7U1外研版小学英语(三起)四年级下册.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,