句子成分分析,下面的句子中缺主语吗You think about a problem until you're tired,forget it,maybe sleep on it,and then flash!You 是主语?think about 是宾语?until you're tired 是状语?但是forget it,maybe sleep on it,and then flash 如果不缺主语，那么这是个并列句吗？

句子成分分析,下面的句子中缺主语吗
You think about a problem until you're tired,forget it,maybe sleep on it,and then flash!
You 是主语?think about 是宾语?until you're tired 是状语?但是forget it,maybe sleep on it,and then flash
如果不缺主语，那么这是个并列句吗？