有。
would rather后面接不带to的不定式。宁愿做某事：would rather do sth.
宁愿已经做了某事（实际上没有做）：would rather have done sth.
不定式的否定形式是直接在不定式前面加not。变成wouold rather not do sth.或would rather not have done sth.
有，would rather have done 反义就是在have 前加not .
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