'i don't suppose for a moment that we can understand why the girl committed suicide'
'what business is it of yours?'
When Mrs Birling is being questioned by the Inspector, her evasive and arrogant tone seems designed to anger the audience.
Mrs. Birling constantly tries to evade responsibility by shifting the blame to other characters. 'unlike the other three...' and 'Go and look for the father of the child. It's his responsibility'
“You’re quite wrong to suppose I shall regret what I did.”