人教版八年級(jí)英語(yǔ)下冊(cè)《What were you doing when the rainstorm came?》SectionA PPT課件下載(第2課時(shí))，共33頁(yè)。
Discuss
What did the writer think of the rainstorm?
Although the storm broke many things apart, it brought families and neighbors closer together.
過(guò)去進(jìn)行時(shí)
定義：表示過(guò)去某個(gè)時(shí)刻或某一時(shí)間段正在進(jìn)行或發(fā)生的動(dòng)作。
時(shí)間標(biāo)志詞：
at this/that time yesterday, at 9:00 yesterday morning, all night等；
或以when, while 引導(dǎo)的時(shí)間狀語(yǔ)從句。
構(gòu)成：
基本結(jié)構(gòu)：主語(yǔ)+was/were + doing +其他。
否定形式：主語(yǔ)+wasn’t/weren’t +doing+其他。
一般疑問(wèn)句：Was/Were+主語(yǔ)+doing+其他？
肯定回答：Yes, 主語(yǔ)+was/were.
否定回答：No, 主語(yǔ)+wasn’t/weren’t.
特殊疑問(wèn)句：特殊疑問(wèn)詞+ was/were +主語(yǔ)+doing+其他？
when 和 while 從屬連詞， 當(dāng)…的時(shí)候， 引導(dǎo)時(shí)間狀從
1. When my mother came back, I was cleaning my room.
came 非延續(xù)性動(dòng)詞 時(shí)間點(diǎn)
2. He fell asleep when he was reading.
read 延續(xù)性動(dòng)詞 時(shí)間段
3. While my mother was cooking, I was doing my homework.
cook 延續(xù)性動(dòng)詞， 時(shí)間段，
4. They were singing while we were dancing.
dance 延續(xù)性動(dòng)詞， 時(shí)間段
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關(guān)鍵詞：What were you doing when the rainstorm came? PPT課件免費(fèi)下載，.PPT格式；
