yet和still的区别在哪？

still和yet在意义上都作"仍然、还"解，在有些情况下，可以通用。 a．I have still a few more pages to read．（=I have a few more pages to read yet．） still一般与现在时态或进行时态连用，而不与过去时或完成时连用。 b．The money is still here if you want it． c．Are you still living in that room？ d