II. Expressing opinion

Personal Point of View

We use these words and phrases to express a personal point of view:

In my experience…

As far as I'm concerned…

Speaking for myself…

In my opinion…

Personally, I think…

I'd say that…

I'd suggest that…

I'd like to point out that…

I believe that…

What I mean is…

General Point of View

We use these words and phrases to express a point of view that is generally thought by people:

It is thought that...

Some people say that...

It is considered...

It is generally accepted that...

Agreeing with an opinion

We use these words and phrases to agree with someone else's point of view:

Of course.

You're absolutely right.

Yes, I agree.

I think so too.

That's a good point.

Exactly.

I don't think so either.

So do I.

I'd go along with that.

That's true.

Neither do I.

I agree with you entirely.

That's just what I was thinking.

I couldn't agree more.

Disagreeing with an opinion

We use these words and phrases to disagree with someone else's point of view:

That's different.

I don't agree with you.

However…

That's not entirely true.

On the contrary…

I'm sorry to disagree with you, but…

Yes, but don't you think…

That's not the same thing at all.

I'm afraid I have to disagree.

I'm not so sure about that.

I must take issue with you on that.

It's unjustifiable to say that...

(from http://www.vocabulary.cl/Lists/Opinions.htm)