谓语动词的语态问题

讲一讲谓语动词要考虑时态,这在上一期已经讲了。本期着重讲语态问题。英语有主动语态和被动语态两种。汉语主动语态用得多,被动语态就不像英语用得那么多。下面主要探讨英语被动语态的用法。被动语态的关键助动词是be和get。如: 1)Silk was also traded along the coasts of the Indian Ocean．