请问英语中“我认为”除了I think,in my opinion还有哪些说法~同上

to my point of view, to my way of thinking 等 很多

i know .i suppose. from my option. speaking honestly. in my option. i believe.够了吧？

I guess;
in my submission
to my point of view 就我个人而言
to my way of thinking
还是用I think,in my opinion,或者I guess吧,常用