改正:Had there been a balcony, Ausable might not (have defeated) his enemy.
解释:Had there been a balcony = If there had been a balcony
说明此句是对过去的虚拟,则主句的谓语由“would/could/might have done”构成,所以把might not defeat 改成 might not have defeated.
改正:Had there been a balcony, Ausable might not (have defeated) his enemy.
解释:Had there been a balcony = If there had been a balcony
说明此句是对过去的虚拟,则主句的谓语由“would/could/might have done”构成,所以把might not defeat 改成 might not have defeated.