Compléter Modal Verbs (Mixed)Version en ligne Read the webchat between Lin and her mother in Shanghai and complete the gaps with a phrase from the box. par Edison Salazar 1 didn't should shouldn't should spend to need shouldn't have not be might don't had wouldn't have to have have have spent spend been to Lin : Hey , how was your week ? Mom : It was fine . Kinda busy . Lin : Sorry we couldn't chat more last time . I some time preparing for the economics class the next day because Professor's Clark's classes are very difficult . Mom : Oh , it's ok . How was the class ? Lin : I so long preparing for the class because it was cancelled ! Mom : Oh , really ? Too bad . Lin : Yeah , what a waste of time ! Oh , and thanks for telling me about the marketing class . I attended that class if you hadn't warned me it was a requirement . Mom : And how was your calculus class on Monday ? Lin : Oh , it was boring and I didn't understand anything . I studied more for the class , then it such a waste of time . Mom : And did you prepare for the Chinese literature class on Tuesday ? Lin : I prepare for the class because I already knew what it was about . Mom : Oh , yeah , you are good at Chinese . So what are you doing now ? Doing your homework for tomorrow ? Lin : Tonight I do my homework because tomorrow's class has been postponed until next week . Mom : So what are you doing ? Lin : Watching TV and chatting with you . Mom : You all night chatting with me ! You'll need to be wide awake tomorrow . You shouldn't be watching TV because there are other things you doing .