so as to 的否定为什么会是so as to not do sth?

如题所述

so as to not do 和so as not to do都行,前者可看作so as to加上一个祈使句(not upset him 别使他难过)追问

祈使句的否定不是在前面加don't么

追答

也有not开头的

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