What about...?
How do you feel about..?
What do you think about ...?
What's your opinion of...?
What's your point of view about... ?
I was wondering where you stood on the question of...?
I (personally) believe that..
I'm sure that..
I can't help thinking that
As far as I'm concerned,
I have mixed feelings about..
I'm quite convinced that.
To be honest I'm afraid
I can't agree with on this matter idea.
I don't agree at all.
I can't accept that idea/opinion.
That's not always true/ the case.
I am of a different opinion.
I can't find myself to agree with you.
What I object to is....
I see what you mean, but
I guess you could say that, but