have to, it's the rules, don't have to, it's not necessary, must, it's necessary, should, it's a good idea, shouldn't, it's not a good idea, mustn't, it's not allowed, could, it's a suggestion

Modals

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Modals should / shouldn't, must / mustn`t
Modals should / shouldn't, must / mustn`t
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随机卡
Modals (have to / don't have to / should / shouldn't / must / mustn't
Modals (have to / don't have to / should / shouldn't / must / mustn't
由
随机卡
MODALS (should/must/have to)
MODALS (should/must/have to)
由
随机轮盘
MODALS: Can, Can't, Must, Mustn't
MODALS: Can, Can't, Must, Mustn't
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问答游戏
MODALS: can - could - must - mustn't - may
MODALS: can - could - must - mustn't - may
由
随堂测验
Modals - Must/Mustn't-Can't/ Have to - Don't have to/Can
Modals - Must/Mustn't-Can't/ Have to - Don't have to/Can
由
匹配游戏
Modals should have to must
Modals should have to must
由
随堂测验
modals: can, should, might, must
modals: can, should, might, must
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随堂测验

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