Completar frases B2: PAST MODALS AND PHRASAL MODALS OF OBLIGATIONVersión en línea Use the past modals of obligation to complete the letter sent from a teacher to a student. por CRISTHIAN CAMILO GRANADOS LEON 1 allowed can can't are allowed to must can't aren't can't have to must not Dear Chris . Happy to hear back from you . I'll be more than glad to answer all of your questions about Japan . I'd say that going to Japan could be an amazing experience for whomever dares to plan a trip to such beautiful country . Nonetheless , there are some tips that I will give you so that you don't suffer from a cultural shock when you get there . 1 . You stare or point at people for a long time , that's not customary and can be considered as rude . 2 . You to smoke on the streets , not only it could be terrible wrong because not everyone likes smoking , but it could also be a legal problem for you . 3 . You recycle properly . It's customary to find trash cans everywhere , those are specificlly named so that you know what type of garbage you throw to each can . 4 . You leave trash on the streets , Have you seen any of Japan's matches at the last world cups ? That's 100% true . They cleaned the arenas after the matches ended . Clean up everything after you leave a place . 5 . Last but not least , you make noise in public places , as it distubs the peace of people , and it is very rude to them . If you don't need their attention , then why bothering them so much ?