He said he would help me with my math if he ____ free.A,was B,would be C,is 选哪个?问什么?

问题描述:

He said he would help me with my math if he ____ free.
A,was B,would be C,is 选哪个?问什么?

A
前面said知是过去时

A

He said he would help me with my math if he _was___ free.本句为虚拟语气,与现在事实相反.

A 前面是said 说明是过去,后面时态和它一致