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,后接動(dòng)詞原形。What do they do? They’re students If you are a student , you must study hard. Yes or no? If you are a student , you must finish you homeworker on time. Yes or no? 情態(tài)動(dòng)詞: must, can, could, may, might. 情態(tài)動(dòng)詞 +動(dòng)詞的原形 Eg: We must do our homework. Unit 5 It must belong to Carla. Section A Guessing games What does she do? She could/might be a/an______ She must be a teacher. teacher \nurse. What does he do? He could/might be a ______ He must be a doctor. worker \famer \doctor He is a doctor. Grammar Focus 表示推測(cè)的情態(tài)動(dòng)詞 在英語(yǔ)中,表示對(duì)某件事物的確定程度,即表示推測(cè)的時(shí)候,我們通常會(huì)用到以下情態(tài)動(dòng)詞 .(情態(tài)動(dòng)詞 +動(dòng)詞的原形 ) must, can, could, may, might.(肯定 ) can’t, couldn’t. (否定 ) must 一定,肯定( 100%的可能性) might, could 有可能,也許( 20%~80%的可能性) can’t 不可能,不會(huì) (可能性幾乎為零) Whose football is it? It Jim’ loves playing football. might\could be Whose backpack is it? It