冀教版六年级英语下册《Helen Keller》Good Health to You! PPT课件下载，共22页。
Presentation
What do you know about Helen Keller?
What do you want to know about Helen Keller?
Helen Keller was born in the U.S.in 1880.
When she was 18 months old, she fell ill and became deaf and blind.
重点句型
She couldn’t speak at all. 她根本不能说话。
【详解】 could为情态动词can的过去式,意思是“不能”,与not … at all 连用构成“根本不能……”。
句型结构:主语 + can/could not + 动词原形(+ 其他) + at all.
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