Are these sentences OK?
You've ruined my mood.
Since when are you so sensitive?
I'm sorry for whatever pissed you off.
Whatever pissed you off, forgive me.
Would you tell me what I've done to upset you like this?
Would you tell me what I've done to piss you off like this?
You're not the only one with problems. / You're not the only one have problems.

Question

Are these sentences OK?
You've ruined my mood.
Since when are you so sensitive?
I'm sorry for whatever pissed you off.
Whatever pissed you off, forgive me.
Would you tell me what I've done to upset you like this?
Would you tell me what I've done to piss you off like this?
You're not the only one with problems. /  You're not the only one have problems.

Answer

They're all fine except the very last one. It should be the only one TO have problems

Answer

I don't know the sentence is correct or not because I'm a learner too

Ne manquez pas cette occasion d'apprendre une langue depuis chez vous. Découvrez notre sélection de professeurs de langues expérimentés et inscrivez-vous dès maintenant à votre premier cours !