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