to make appear rational and reasonable 中 appear的词性及释义

appear to appear+形容词和appear to be +形容词的区别 根据释义及首字母拼写单词1.p___make oneself appear to be sth 2.a___make…r rational和reasonable的区别? appear to have been的用法 appear to do? it appear to 英语中类似appear to,seem to,tend to这些词是什么词性?后面为什么跟be或动词原型? 谁能告诉我下appear to be与 appear to do的区别吗?谢谢 appear的意思 appear的用法？？，求解 why to birds suddenly appear