appear to be:好像是,仿佛;强调状态.
如:There seems appears] to be something the matter with her(她好像出了什么事儿似的).
appear to be doing:好像做了某事;强调做了某事,过去式.
如:he self-assured may appear to be doing better than they are and will havefewer qualms about badgering for a pay rise(自信的人会看起来比实际做得更好,并且在要求涨工资时更理直气壮).
1、be to do 表示将来,一般是按计划安排或者注定、应该要做的事情;be doing 是现在进行时表将来 现在进行时表示将来意义时使用的动词通常为瞬间动词。
2、appear后接不定式,是不及物动词,因此不能有宾语,也不能用于被动语态;
如:Soon the stars appeared in the sky(不久天空中出现了星星).
3、appear作为连系动词,可以接形容词、名词、不定式作表语;
如:He appears honest(他看起来很诚实).