even if even though 后面的虚拟语气

在even if,even though 所引导的让步状语从句中,可用虚拟语气,主句、从句的结构与if所引导的条件从句的各种时态、结构相同.如：
Even if he were here himself,he should not know what to do.即是他亲自来也不知该怎么办.
Nobody could save him even though Hua Tuo should come here.及时华佗再世也就不了他.