Complete with a modal expressing probability:

1) I’m sure he is at home. = He __________________________ be at home. 2) There is a slight chance that she is absent. = She _______________________be absent. 3) It’s impossible she is not cheating. = He______________________ be cheating. 4) He is very peculiar, may be he doesn’t like chocolate. = He _________________not like chocolate. 5) As I know her logically she is sleeping now. = She___________________________ be sleeping. 6) He didn’t get the job; I guess he arrived late at the interview. = He___________________________ have arrived late at the interview. 7) It was his first rehearsal = He _________________ have been stressed. 8) He doesn’t answer his mobile, perhaps he is at the cinema. = He __________________ be at the cinema. 9) All the bookmarkers bet on this team. = they _____________________ win the match. 10) He broke her leg during the game, she surely hates him. = She _________________ hate him. 11) I’m sure he had an accident. = he must _______________ an accident. 12) No! I refuse to believe that she is lying to me. = She can’t ______________________ to me. 13) Perhaps he missed the bus. = he may ______________________ the bus. 14) Logically, they have finished working by now. = they should _____________________working. 15) I bet he bought flowers again. = he must__________________ flowers again. 16) Look! I bet he is buying flowers again. = He must __________________ flowers again. 17) Maybe he finds it difficult. = ____________________________________ 18) At this time, children are sleeping. =_______________________________ 19) Perhaps he knows her but I doubt it. =______________________________ 20) Surely they work hard enough. =______________________________________

When using MUST to express probability in the past, use MUST + HAVE +