Completar Frases Must/have toVersión en línea Complete with the correct modal verb must and have to por omar arroyo 1 must dont have have mustnt must to musnt to must have to to dont must have 1 . - At our school we wear a uniform . 2 . - You cross the roads without looking . It's dangerous . 3 . - You turn on the central heating . It's automatic . 4 . - The exams are next week . I work harder . 5 . - You forget your umbrella . It's going to rain . 6 . - Students listen to the teacher or they won't understand . 7 . - You cross the road when the red light is showing . 8 . - We leave now or we'll miss the plane . 9 . - Soldiers obey orders . 10 . - Sorry , I go now . I don't want to be late .