【定义】从句是复合句中不能独立成句,但具有主语部分和谓语部分,由that、who、whom、when、why、where、how、which、if、although等关系词引导的非主句部分。 【起止标识】标记从句时,一定从关系词开始,到以下四种终止。 ① 到句尾终止,如:Li Hui is a teacher (who t...
但是,until可以放在句首,till则不行。 如:Until the last minute of the match we kept>Not until he finished his work did he go home.(倒装) ④ because,since,as引导原因状语时注意...
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