you would laugh if any one ...下面这句话是虚拟语气吗?

这句话是虚拟语气
should ask=虚拟语气asked
You would laugh if any one should ask you whether you can tell an animal from a plant.
=You would laugh if anyone asked you whether you could tell an animal from a plant.
=You would laugh if anyone asked you whether you can tell an animal from a plant.
=If anyone asked you whether you can tell an animal from a plant,you would laugh.

这里should表示别人可能或者如果问你，表示一种推测，假设。

是的，是将来时的虚拟语气。
主句would+动词原形，从句should+动词原形
该句子译为：如果有人会问你是否能分辨植物和动物，你会大笑不已。（而实际上不会有人这么问）
如果用别的动词过去式，表示与现在事实相反。而上面这个句子，是与将来相反。时态要往过去推一个。如： I would go there if I were you.be动词在此用过去式，表示现在，我不可能是你...

是虚拟语气，if条件句的虚拟语气，if后翻译为: 如果有人问你是否能区分动物和植物。you would laugh翻译为你会笑的。if句是和将来相反的假设，谓语动词用should加动词原形 。意思是别人一般不可能问你这个问题。因此用虚拟语气。主句用would 加动词原形。...