I agree with you
Ich stimme dir nicht zu, Tom.
I disagree with you, Tom.
Ich stimme dir zu, dass wir es noch einmal versuchen sollten.
I agree with you that we should try again.
Ich stimme dir hundertprozentig zu.
I agree with you one hundred percent.
I agree with you very much.
I hardly ever agree with you.
Ich stimme dir voll und ganz zu!
I completely agree with you!
I don't agree with you.
Ich stimme dir zu, daß ebendas zu tun ist.
I agree with you that exactly that is what needs to be done.
I agree with you now.
I partly agree with you.