+1
We are going for a walk. Why don’t you come along too?- Invitation

He lost his job? What a shame! - ?
You could have fed the dog. - ?
I must stop drinking alcohol.-?
Let’s go for a walk. - ?
+0
He lost his job? What a shame! - sympathy
You could have fed the dog. - disapprobation
I must stop drinking alcohol.- resolution
Let’s go for a walk. - proposition
Comments  
Teachers: We supply a list of EFL job vacancies

Kindly explain me what functions are used in these sentences.

We are sorry about the delay in processing the claim.

Please wear your seat belts and switch off your phones.

How annoying!

Could you possibly do this on your way back?

The scond one is complaint

The thired one is suggestion

The fourth one is obligation

The f