Agreeing

I agree entirely/completely.

I think we are in agreement on that.

Absolutely.

Agreeing partially

I would agree with you on that.

I agree with you on the whole, but…

Disagreeing

I agree up to the point, but…

To a certain extent I agree with you, but…

I’m sorry, but I really can’t agree with you on that.

With all due respect, I must disagree.

Emphasizing

I particularly want to emphasize/stress/highlight the fact that …

We must not underestimate/underrate the importance of …

Correcting misunderstandings

I’m afraid there seems to have a slight misunderstanding.

Perhaps I should make that clearer by saying …

Perhaps I did not explain myself very well …

Asking for clarification or further information

Could you be a little more specific/precise?

I’m sorry, but could you explain in a little more detail?

What do you mean by…?

Interrupting

Could/May I come in at this point?

I wonder if I might comment on that last point?

If I may just interrupt you for a moment, I’d like to…

I don’t want to Sorry to

interrupt butt in

but don’t you think that …? but couldn’t…?

Handling Interruptions

Yes, go ahead.

If I may finish my point…

Let me finish.

Concluding

Let me conclude by …

In conclusion I’d like to say…