He often read English under the tree when he was young.改为否定句,怎么改?
题目
He often read English under the tree when he was young.改为否定句,怎么改?
答案
He didn't ofen read English under the tree when he was young.只要在谓语动词前加否定就OK了 ,因为句子后面说when he was young有时间限定,所以是过去否定
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