为什么I think that it is true是附属简单分句,而What you have said is true是复杂分句?
问题描述：
为什么I think that it is true是附属简单分句,而What you have said is true是复杂分句?
答
因为一般句子可以是主谓宾结构,也可以是主谓结构,宾语可以省略,也可以是更为复杂的从句等.而主语一般不能省略,若主语是个从句,则句子就成了复杂分句.（That）What you have said是主语,is是系动词作谓语,true是表语.