一点关于seem的用法的问题看了个句子he seemed to be rather mad为什么不是he seemed rather mad中间加一个 to be 有什么区别吗?

一点关于seem的用法的问题看了个句子he seemed to be rather mad为什么不是he seemed rather mad中间加一个 to be 有什么区别吗? 关于seem的用法 请问关于英语中SEEM与BE动词的用法看了个相关与bound相关短语用法：意思为热衷于,忙于.在相关的例句中,Rose seems very bound up in her work.这里我就存在个疑问了,句中seem充当动词,那么不就换了短 seem的用法是什么? seem like的用法 seem的用法是什么? seem的一般用法 seem的用法英语语法seem like的 关于seem的用法seem like 有怎么用啊?后面可接什么 seem like的具体用法 seem as if 的用法 请教英语seem的用法? 关于seem的用法,费心了It ＿that he really won that match.(seem)答案是seems,为什么不用seemd? seem和seem like的区别中文、用法 seem,whether的用法和词性 remain与seem的用法区别 英语达人速进!seem to 的用法. 关于SEEM的一些用法有没有DID SEEM的用法?中间不加NOT的.因为我看HARRY POTTER的英文原版第一部中有一句话：But he did seem to realise he was being watched,because he looked up suddenly at the cat which was still staring