in my opinion
＝in my mind
＝from my perspective
＝in my viewpoint
＝personally
＝My belief
＝My idea
＝My understanding
＝I think that
＝I consider
＝I believe
＝if you ask me
＝in my book
＝in my own conceit
＝in my estimation
＝meseems
＝I regard
＝speaking for myself
＝to me
＝it seems to me
＝I prefe