I must paddle you must paddle he must paddle we must paddle you must paddle they must paddle
V-ing form
I must be paddling you must be paddling he must be paddling we must be paddling you must be paddling they must be paddling
Perfect
I must have paddled you must have paddled he must have paddled we must have paddled you must have paddled they must have paddled
V-ing perfect
I must have been paddling you must have been paddling he must have been paddling we must have been paddling you must have been paddling they must have been paddling
Negation
Simple form
I mustn't paddle you mustn't paddle he mustn't paddle we mustn't paddle you mustn't paddle they mustn't paddle
V-ing form
I mustn't be paddling you mustn't be paddling he mustn't be paddling we mustn't be paddling you mustn't be paddling they mustn't be paddling
Perfect
I mustn't have paddled you mustn't have paddled he mustn't have paddled we mustn't have paddled you mustn't have paddled they mustn't have paddled
V-ing perfect
I mustn't have been paddling you mustn't have been paddling he mustn't have been paddling we mustn't have been paddling you mustn't have been paddling they mustn't have been paddling
Interrogative form
Simple form
must I paddle? must you paddle? must he paddle? must we paddle? must you paddle? must they paddle?
V-ing form
must I be paddling? must you be paddling? must he be paddling? must we be paddling? must you be paddling? must they be paddling?
Perfect
must I have paddled? must you have paddled? must he have paddled? must we have paddled? must you have paddled? must they have paddled?
V-ing perfect
must I have been paddling? must you have been paddling? must he have been paddling? must we have been paddling? must you have been paddling? must they have been paddling?
Interro-negative form
Simple form
mustn't I paddle? mustn't you paddle? mustn't he paddle? mustn't we paddle? mustn't you paddle? mustn't they paddle?
V-ing form
mustn't I be paddling? mustn't you be paddling? mustn't he be paddling? mustn't we be paddling? mustn't you be paddling? mustn't they be paddling?
Perfect
mustn't I have paddled? mustn't you have paddled? mustn't he have paddled? mustn't we have paddled? mustn't you have paddled? mustn't they have paddled?
V-ing perfect
mustn't I have been paddling? mustn't you have been paddling? mustn't he have been paddling? mustn't we have been paddling? mustn't you have been paddling? mustn't they have been paddling?