English expressions

FOR PERMISSION 

'Go ahead!'

'You`d better not...'

'You are not allowed to...'

'Do you mind if...?'

'Would it be right if...?'

OF SYMPATHY

'I offer you my condolences'

'I feel for you'

'What a pity!'

'What a shame!

IN A  RESTAURANT

'Another...?'

'I've had enough'

'I'll have...'

'What do I owe you?'