AGREE	DISAGREE
(+)	A: I like to vacuum.. B: So do I / I do too / Me too	A: I like to use the dryer. B: I don’t
(-)	A: I don’t like using the microwave B: Neither do I / Nor do I / Me neither	A: I don't like to listen to the radio. B: I like it./ I do.

 

To intensify the agreement / disagreement:

I (completely, totally, absolutely) agree/disagree

You are ( totally, absolutely) right

Weak agreement/disagreement

I suppose so./I guess so.

 

Rude/direct vs polite/indirect ways to disagree

Polite:

I don’t share your opinion.

Allow me to disagree.

Let’s agree to disagree

I'm afraid I agree more with James.

 

Rude

You are wrong.

I can’t disagree with you more.

You have no idea what you’re talking about!

You haven’t got a clue

 

Others ways to agree and disagree:

I agree/disagree with you.

You are right.

You are correct

I agree with you 100 percent.

I couldn't agree with you more.

That's so true.

That's for sure.

Sure.

(slang) Tell me about it!

Absolutely.

That's exactly how I feel.

Exactly.

I have to side with dad on this one.

No doubt about it

You have a point there.

I was just going to say that.