最新 by now是连接词吗 不是连接词是介词短语，通常作状语by now是现在完成时的标志，另外还有so far，till/until now,up to now。 都使⽤现在完成时。如:By now you will have guessed that Im back in Ireland.你现在应该已经猜出我回到了爱尔兰了。He would have been there by now if had not... 2025-10-04 2
