1.the doctor said my mom can't cook , because she has a broken arm, so my dad and i have to prepare dinner
2.tom can't drive ella home from work, because his car needs fixing,so i have to collect her every day this week
3.they can't smoke inside the restaurant .They have to smoke outside
4.we can't park here.there is a hydrant
5.i don't have to get up early tomorrow,i have a day's vacation