关于英语的语法问题''有个语法现象是：rather than 连用在句中时,后可接动词原型,带to的不定式,及名词,在句

ather than词性是连词,所以连接两个相同成分,并非一定接不定式或名词.
比如I like English rather than maths.我喜欢英语,而不喜欢数学.
I prefer to go out rather than (to) stay at home.我宁愿出去,而不愿呆在家里.
He likes watching tV rather than sleeping.他喜欢看电视而不是睡觉.
你上面说的语法现象从根本上讲 并不成立.