To my knowledge... 就我所知
To my way of thinking... 依我看
To my mind... 我觉得
To be perfectly honest... 老实说
To be quite frank... 坦率地说
To tell you the truth... 实说话
For my part... 对我来说
In my opinion... 我的看法是
Personally... 我个人的观点是
I maintain（that）... 我认为
I hold the opinion（that）... 我认为
Im of the opinion（that）... 我的意见是
Im convinced（that）... 我深信
I consider... 我认为
Id like to point out（that）... 我想指出
I feel I ought to say（that）... 我觉得我应该说
I feel... 我认为
Id like to say... 我认为
I would say... 我认为
I should say... 我看来自
I think that... 在我看来
