中译英 (机器免进)在线等待.在这就是对施事的限制,R.Quirk 指出由于被动句的施事往往省略或者不明确,因而转化成主
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This is the limit of the agent, R. Quirk, pointed out that due to the passive sentence the agent is often omitted or unclear, and thus converted into active sentences will be limited. The fourth is the meaning of limit, that is, when the play an auxiliary verb, active sentences transformed into passive sentences, meaning something change too. Restrictions on frequency, mainly refers to the passive sentences to the frequency and style.