Complete the gaps with the modal verb 'can' in the negative and the correct forms of the words in brackets. Use contracted negative forms of 'can' only.
...... (I / talk) to you right now, Michael.
...... (I / say) that for certain.
...... (You / leave) the classroom now, Tania.
...... (You / go) out now, Lucy.
...... (He / smoke) in the meeting room all the time.