If I should die tomorrow, I will have no regrets. - 这句貌似是虚拟语气假设将来发生的情况,主句是不是应该用 I wuold have no regrets更好?
This ensures if a major repair goes wrong and the quipment ends up being offhired, all the smaller items havn't been performed. - 这句从句是一般现在时,主句是现在完成时,正确吗?