1.关系代词有主格,宾格和所有格之分,并有指人与指物之分。在限定性定语从句中,that 可指人也可指物,见表:
主 格 who , which , that
宾 格 whom , that, that
所有格 whose , of which/whose, of which/whose
but,as,than作特殊的关系代词可引导定语从句
2.关系副词 when,where, why,how
3.在口语中that可以充当关系副词,代替when, why, how,只有先行词是the
place时,才可代替where。
This is the place where(that) I first met her.
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