新概念英語作為家喻戶曉的英文學(xué)習(xí)教材，《新概念英語》在中國經(jīng)久不衰，影響了好幾代學(xué)習(xí)者。即使以今天的角度來看，這套出版于幾十年前的教材無論是在編排體系，題材和題材，詞匯還是語法上都有出彩之處，值得各個層次的人學(xué)習(xí)。為您整理了以下內(nèi)容，僅供參考。希望可以幫助到您！如果您想要了解更多相關(guān)內(nèi)容，歡迎關(guān)注！
過去進(jìn)行時
——表示過去正在進(jìn)行的動作，經(jīng)常用在when, while, as引導(dǎo)的狀語從句中。
結(jié)構(gòu)：was/were+doing
When my husband was going into the dining room this morning, he dropped some coins on the floor.
Their father was watching TV while they were having dinner.
★變疑問句將be動詞移到句首
Was their father watching TV while they were having dinner.
★變否定句在be動詞后面加 not
Their father was not watching TV while they were having dinner.