外研版四年级英语下册《They were young》PPT优质课件，共34页。Look and say.蝴蝶小时候和长大后的样子发生了什么变化呢？Listen, point and say.Oh, it’s very beautiful.But it wasn’t beautiful then.Look and fill.wasn’t= was notIt was beautiful then.It wasn’t beautiful then.He was at home yesterday.He wasn’t at home yesterday.Listen and say.They are old.They weren’t old then.They were young.She is tall.She wasn’t tall then.She was short.It is clean.It wasn’t clean then.It was dirty.weren’t= were notThey were old then.They weren’t old then.They were teachers then.They weren’t teachers then.Summing up.重点单词：clean, dirty重点句型：It wasn’t beautiful then.They weren’t old then.Homework1. 熟记本节课所学的单词、短语和句型，必须会听、说、读、写。2. 用一般过去时的肯定、否定各造两个句子。一般过去时的否定主语+ wasn’t+ 其他。He wasn’t tall then.主语+ weren’t+ 其他。They weren’t old then.... ... ...关键词：They were young 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。