Only if both sides accept the agreement will a lasting peace be established in this region可以把这句话的will换成would吗?原因?

问题描述:

Only if both sides accept the agreement will a lasting peace be established in this region
可以把这句话的will换成would吗?原因?

楼上弄错了吧?应该accept 把加ed.虚拟语气是从句这里而不是主句.但不能will把改成would .