I have to finish this report by the end of the day.We have to leave for the airport in 30 minutes.She has to study for her exams this weekend.They have to remember to lock the door before leaving.He has to attend a meeting with the boss tomorrow morning.We have to clean the house before our guests arrive.I have to pay my bills before the end of the month.They have to find a new apartment before their lease ends.She has to get up early to catch the bus to work.We have to buy groceries for the week.