此句中would have been considered为虚拟语气，假 定放在中国将会出现的结果。 e.g. Your vacation time would have been wisely used to study,had it not been for the TV. 要不是这台电视，你假期的时间就可以很好地用来学习了。此句中would have been considered为虚拟语气，假 定放在中国将会出现的结果。 e.g. Your vacation time would have been wisely used to study, had it not been for the TV. 要不是这台电视, 你假期的时间就可以很好地用来学习了