English verb conjugation
MUST SHUFFLE

Regular verb: shuffle - shuffled - shuffled

Affirmation

Simple form	V-ing form
I must shuffle you must shuffle she must shuffle we must shuffle you must shuffle they must shuffle	I must be shuffling you must be shuffling she must be shuffling we must be shuffling you must be shuffling they must be shuffling
Perfect	V-ing perfect
I must have shuffled you must have shuffled she must have shuffled we must have shuffled you must have shuffled they must have shuffled	I must have been shuffling you must have been shuffling she must have been shuffling we must have been shuffling you must have been shuffling they must have been shuffling

Negation

Simple form	V-ing form
I mustn't shuffle you mustn't shuffle she mustn't shuffle we mustn't shuffle you mustn't shuffle they mustn't shuffle	I mustn't be shuffling you mustn't be shuffling she mustn't be shuffling we mustn't be shuffling you mustn't be shuffling they mustn't be shuffling
Perfect	V-ing perfect
I mustn't have shuffled you mustn't have shuffled she mustn't have shuffled we mustn't have shuffled you mustn't have shuffled they mustn't have shuffled	I mustn't have been shuffling you mustn't have been shuffling she mustn't have been shuffling we mustn't have been shuffling you mustn't have been shuffling they mustn't have been shuffling

Interrogative form

Simple form	V-ing form
must I shuffle? must you shuffle? must she shuffle? must we shuffle? must you shuffle? must they shuffle?	must I be shuffling? must you be shuffling? must she be shuffling? must we be shuffling? must you be shuffling? must they be shuffling?
Perfect	V-ing perfect
must I have shuffled? must you have shuffled? must she have shuffled? must we have shuffled? must you have shuffled? must they have shuffled?	must I have been shuffling? must you have been shuffling? must she have been shuffling? must we have been shuffling? must you have been shuffling? must they have been shuffling?

Interro-negative form

Simple form	V-ing form
mustn't I shuffle? mustn't you shuffle? mustn't she shuffle? mustn't we shuffle? mustn't you shuffle? mustn't they shuffle?	mustn't I be shuffling? mustn't you be shuffling? mustn't she be shuffling? mustn't we be shuffling? mustn't you be shuffling? mustn't they be shuffling?
Perfect	V-ing perfect
mustn't I have shuffled? mustn't you have shuffled? mustn't she have shuffled? mustn't we have shuffled? mustn't you have shuffled? mustn't they have shuffled?	mustn't I have been shuffling? mustn't you have been shuffling? mustn't she have been shuffling? mustn't we have been shuffling? mustn't you have been shuffling? mustn't they have been shuffling?