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 not
It 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 not
They 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.
Homework
1. 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.
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关键词：They were young PPT课件免费下载，.PPTX格式；