问题描述:
英语语法问题be supposed to
Patents are supposed to encourage innovation,not stifle it.这句看到以前有人问过,说not前后表并列.我的理解是我们应该……而不应该……那为什么not 后面不加to呢?be supposed to 应该是固定搭配啊,但是貌似又没有be supposed not to 的用法,因为要否定前置.比较迷糊,
Patents are supposed to encourage innovation,not stifle it.这句看到以前有人问过,说not前后表并列.我的理解是我们应该……而不应该……那为什么not 后面不加to呢?be supposed to 应该是固定搭配啊,但是貌似又没有be supposed not to 的用法,因为要否定前置.比较迷糊,
问题解答:
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