Hard image.Hard to image 这两句哪句正确?为什么?

Hard image.Hard to image 这两句哪句正确?为什么? i hard to study english I need to study hard 对 study hard 提问 I found it hard to living. I find it hard to control i found it important to stard hard hard to say i love you I really have hard time to Hard to say I love you. I wish you to study hard . I try so hard not to notice. i worked so hard to find you . hard to type in,I am slow hard HARD I try hard to adapt myself to it.try hard to 为什么hard放中间?什么结构? 是i find it hard to say 还是i find it is hard to say I find it hard to trust 急I find it hard to trust?