it's 形容词 for sb to do sth如题
大家都知道“it's +形容词 + for sb to do sth”的用法,然而人教版八年级下册英语书第十单元第二个3a中却出现了“It isn't easy being the new kid at school.”的句子,也就是说用的是"it's +形容词+to do sth ."这是怎么回事?是两种都可以还是别的?请各位资深人士指点迷津,