Put a line through the incorrect sentence. 1 You should to do all your homework. / You should do all your homework. 2 I not have to go to school today. / I don’t have to go to school today. 3 You shouldn’t be nervous. / You shouldn’t being nervous. 4 I might to have an exam today. / I might have an exam today. 5 Our teacher may be away today. / Our teacher may to be away today.