外研版四年级英语下册《I helped Mum》PPT教学课件下载，共53页。Listen and chant.Yesterday was a holiday.It was a beautiful day.We rowed a boat on the lake.We all had a very happy day.Free talk.Do you want to know what I did yesterday?Yesterday was a busy day.I went shopping.I listened to music.I cooked noodles.I watched TV.I played on the computer.Summary一般过去时用来描述在过去某个时间所进行的活动。句型结构：主语+ 动词过去式+ 其他。I played football last Sunday.What about?表示“……怎么样？”，可以用来询问情况或打听消息。句型结构：What about+ 名词、代词或动名词。I’d like a cup of tea? What about you?一般过去时的否定用来描述在过去某个时间没有做某事。句型结构：主语+ didn’t (did not)+ 动词原形+ 其他。didn’t意为“没有”。Summing up.重点单词和词组：row a boat, had a happy day, phoned, cooked, helped, washed clothes, played on the computer, watched TV重点句型：I cooked noodles yesterday.He didn’t help Mum.Homework1. 熟记本节课所学的单词、短语和句型，必须会听、说、读、写。2. 将Listen, point and find “-ed”. 朗读流利。3. 结合本课内容，创编新的对话，并表演出来。Let’s chant.Phone, phoned, Amy phoned Grandma.Cook, cooked, Amy cooked noodles.Help, helped, she helped Mum.Wash, washed, she washed clothes.Play, played, Sam played on the computer.Watch, watched, he watched TV.动词过去式的构成一般在动词词尾直接加ed。watch—watched, cook—cooked, row-rowed以不发音的字母e结尾的动词，直接在词尾加d。dance--danced, like—liked, phone-phoned以辅音字母+y结尾的动词，变y为i，再加ed。study--studied , carry--carried以单个辅音字母结尾的重读闭音节动词，先双写单词末尾的辅音字母，再加ed。stop--stopped, plan--plannedHomework1. 向家人展示自己跟读模仿课文录音的情况。2. 向家人展示本单元新学的韵句。3. 向家人介绍你的朋友们上周末的活动。... ... ...关键词：I helped Mum PPT课件免费下载，.PPTX格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。