Completar frases Modal verbs quizVersión en línea Fill the gaps with the correct form -should- or -should not-, remember that you can not use the contraction -shouldn't-. por Gabriel Bernal 1 Hey John , you keep an eye of the time , it ? s getting late . He was working all day , he be exhausted . You say that if you are not 100% sure about it . My friend smokes a lot ; he smoke at all , it ? s bad for his health Junk food every day ? ! That ? s very bad for your shape , you stop eating them ! He is often rude at school , he be more respectful towards the teachers If you are trying to loose weight , you eat between meals Your mother is always doing the housework , you help her sometime s