2. Going to do, want to do.
2.1. Eating and drinking.
2.2. Going to do.
2.3. Where, here and there.
2.4. Where, here and there (contd).
2.5. Wanting to ...
2.6. Please do ... please don't.
2.7. Polite tags: Sir and Madam.
2.8. Greetings.
2.50. Review unit 2.
