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考研语法小知识:情态动词+have done
考研英语情态动词+have done的用法共分为9种,分别为:must have done、may/might have done、can/cannot have done、could have done、might have done、should/ought to have done、needn ...英语指导 本站小编 免费考研网 2016-06-24考研语法小知识:名词性从句
一个句子起名词的作用,在句中做主语、宾语/介词宾语、表语、同位语,那么这个句子就是名词性从句。1.what/whatever的用法考生应把握:what是关系代词,它起着引导从句并在从句中担当一个成分这两个作用。如:They lost their way in the forest, and what ...英语指导 本站小编 免费考研网 2016-06-24