To my knowledge... 就我所知
To my way of thinking... 依我看
To my mind... 我覺得
To be perfectly honest... 老實説
To be quite frank... 坦率地説
To tell you the truth... 實説話
For my part... 對我來説
In my opinion... 我的看法是
Personally... 我個人的觀點是
I maintain(that)... 我認為
I hold the opinion(that)... 我認為
Im of the opinion(that)... 我的意見是
Im convinced(that)... 我深信
I consider... 我認為
Id like to point out(that)... 我想指出
I feel I ought to say(that)... 我覺得我應該説
I feel... 我認為
Id like to say... 我認為
I would say... 我認為
I should say... 我看來自
I think that... 在我看來