外研版四年級(jí)英語(yǔ)下冊(cè)《They were young》PPT優(yōu)質(zhì)課件，共34頁(yè)。
Look and say.
蝴蝶小時(shí)候和長(zhǎng)大后的樣子發(fā)生了什么變化呢？
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.
重點(diǎn)單詞：clean, dirty
重點(diǎn)句型：It wasn’t beautiful then.
They weren’t old then.
Homework
1. 熟記本節(jié)課所學(xué)的單詞、短語(yǔ)和句型，必須會(huì)聽(tīng)、說(shuō)、讀、寫。
2. 用一般過(guò)去時(shí)的肯定、否定各造兩個(gè)句子。
一般過(guò)去時(shí)的否定
主語(yǔ)+ wasn’t+ 其他。
He wasn’t tall then.
主語(yǔ)+ weren’t+ 其他。
They weren’t old then.
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