He is talking so much about America as if he(had been)there.

He is talking so much about America as if he(had been)there. 单句改错He is talking so much about America as if he has been th He is talking so much about America as if he ___ there. He talked about London as if he had been there. He is talking too much about Australia as if _____there. as if 虚拟语气的问题,He talks about Rome as if he had been to there 求翻译.He sounds as if he knows what he's talking about. as if引导的虚拟句是否遵循时态倒退原则呢?He talks about Rome as if he had been He talks about Rome___he had been there himself he said with a smile as if he were talking about an old frie he talks as if he ___ abroad before .A had really been B has He appeared as if he were sick.后面虚拟语气为什么用were而不是had been