Real world: i have to work

Work individually . make an appointment book for the next week
Fill the appointment book with things you have todo.
Work in pairs. Tell your partner what is in your appointment book. A: I have to babysit my sister tomorrow.
Make a plan with your partner to do something. Check your appoitntment book to be sure you´re free.
Work with another pair.
Say what you´re doing and when. Invite the other students.
Say yes, or say no to the invitation you receive and give a reason from your appointment book