She will explain to us how to do it if she is here now.（改为虚拟语气）She _____ ____ to us how to do it if she _____ here.
问题描述：
She will explain to us how to do it if she is here now.（改为虚拟语气）
She _____ ____ to us how to do it if she _____ here.
答
She would explain to us how to do it if she was here。
答
would explain,were