名词性从句包括主语从句、宾语从句、表语从句、同位语从句四种。what和that都可以引导名词性从句,但是他们在句子中的语法功能却截然不同。一、that的用法在引导名词性从句时,从属连词that有以下三 Nominal clause includes subject clause, object clause, clause clause, apposition clause clause four. What and that both lead to nominal clauses, but they have very different grammatical functions in sentences. First, the use of that In the introduction of nominal clause, subordinate conjunctions that have the following three