There are social media distractions on the same machine that they are supposed to be using to do their work.
请问老师to do their work是做宾补还是目的状语?有没有区别两者的好方法?
句子可以简化为:
They are supposed to be using the machine to do their work.
They should use the machine to do their work.
不定式作目的状语,不定式的逻辑主语为句子的主语。
不定式作宾补,不定式的逻辑主语为宾补。
本句中不定式的逻辑主语显然是句子的主语。所以不定式为目的状语。
句子等于:They should do their work with the machine.
使用机器是干活的方式。干活是使用机器的目的。
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