They don't do sports very often.
原意：他们经常做运动。
否定句意：他们不经常做运动。
此种句子改否定很简单，用助动词do的否定形式即可。
They do sports very often改为否定句
They don't do sports very often.
They do sports very often改为否定句
投稿：半岛未凉
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发布时间：2023-07-06 18:55:24
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