Exprimer son accord
I agree with you. Je suis d'accord avec vous.
I fully agree with you. / I quite agree. Je suis tout à fait d'accord.
I share your point of view / your opinion.
Je partage votre point de vue.
I think so. Je le pense.
He's right to say that. Il a raison de dire cela.
That's true. That's quite true. C'est vrai. C'est très vrai.
Definitely! Absolutely! Absolument !
Exprimer son désaccord
I don't think so! Je ne pense pas !
I don't agree with / disagree with you.
Je ne suis pas d'accord avec toi.
I can't agree with you. Je ne peux pas être d'accord avec toi.
I don't see it that way. That's not the way I see the question.
Je ne vois pas les choses ainsi.
I think he's absolutely wrong. Je pense qu'il a complètement tort.
It is totally irrelevant. C'est totalement hors de propos.
I can't admit it! Je ne peux pas l'admettre.
Certainly not! Certainement pas !
Not at all! Pas du tout !
You can't be serious! Vous n'êtes pas sérieux ?
You must be joking! Vous plaisantez !
listen!
You're wrong!
Lucas: “Manchester United is the best football team.”
Gary: “I totally disagree with you. It's a fact that they have won a few matches but Manchester City is definitely the best.”
Lucas: “You know what? You're totally wrong! You must be joking!”