Question

even if后的从句要用虚拟语气么？

Answer 1

要的
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。