i thought i failed the test but i just found out i passed ,这里failed为什么不用过去完成时?

i thought i failed the test but i just found out i passed ,这里failed为什么不用过去完成时?
i thought i failed the test but i just found out i passed ,这里failed为什么不用过去完成时?

i thought i failed the test but i just found out i passed ,这里failed为什么不用过去完成时?
这儿的fail并不是一个连续的状态,如buy,see之类的动词,都不用完成时态的.