英语语法--从句
张小宁-11-21
从句1--名词性从句
概念:名词从句是指在复合句中起名词作用从句。包含:主语从句、宾语从句、表语从句、和同位语从句。分类--引导名词从句连接词可分为:(1)连接代词:who(-ever),what(-ever),whomz(-ever),whose(2)连接副词:when,where,why,how(3)连接词:that,whether,if注意:连接副词和连接代词在从句中充当一定句子成份,而连接词在从句中不充当句子成份,只起连接作用!
在句中充当主语从句叫主语从句,它位于主句谓语动词之前。(it引导从句除外!)例句(1):Who will go makes no difference. It makes no difference who will go (2):That air has pressure was known long ago. It was known long ago that air has pressure. 当用It作为形式主语时,that 引导真正主语放在句末,这种大致有4中情况:(a)It + ...


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