English verb conjugation
MUST WRIGGLE

Regular verb: wriggle - wriggled - wriggled

Affirmation

Simple form	V-ing form
I must wriggle you must wriggle he must wriggle we must wriggle you must wriggle they must wriggle	I must be wriggling you must be wriggling he must be wriggling we must be wriggling you must be wriggling they must be wriggling
Perfect	V-ing perfect
I must have wriggled you must have wriggled he must have wriggled we must have wriggled you must have wriggled they must have wriggled	I must have been wriggling you must have been wriggling he must have been wriggling we must have been wriggling you must have been wriggling they must have been wriggling

Negation

Simple form	V-ing form
I mustn't wriggle you mustn't wriggle he mustn't wriggle we mustn't wriggle you mustn't wriggle they mustn't wriggle	I mustn't be wriggling you mustn't be wriggling he mustn't be wriggling we mustn't be wriggling you mustn't be wriggling they mustn't be wriggling
Perfect	V-ing perfect
I mustn't have wriggled you mustn't have wriggled he mustn't have wriggled we mustn't have wriggled you mustn't have wriggled they mustn't have wriggled	I mustn't have been wriggling you mustn't have been wriggling he mustn't have been wriggling we mustn't have been wriggling you mustn't have been wriggling they mustn't have been wriggling

Interrogative form

Simple form	V-ing form
must I wriggle? must you wriggle? must he wriggle? must we wriggle? must you wriggle? must they wriggle?	must I be wriggling? must you be wriggling? must he be wriggling? must we be wriggling? must you be wriggling? must they be wriggling?
Perfect	V-ing perfect
must I have wriggled? must you have wriggled? must he have wriggled? must we have wriggled? must you have wriggled? must they have wriggled?	must I have been wriggling? must you have been wriggling? must he have been wriggling? must we have been wriggling? must you have been wriggling? must they have been wriggling?

Interro-negative form

Simple form	V-ing form
mustn't I wriggle? mustn't you wriggle? mustn't he wriggle? mustn't we wriggle? mustn't you wriggle? mustn't they wriggle?	mustn't I be wriggling? mustn't you be wriggling? mustn't he be wriggling? mustn't we be wriggling? mustn't you be wriggling? mustn't they be wriggling?
Perfect	V-ing perfect
mustn't I have wriggled? mustn't you have wriggled? mustn't he have wriggled? mustn't we have wriggled? mustn't you have wriggled? mustn't they have wriggled?	mustn't I have been wriggling? mustn't you have been wriggling? mustn't he have been wriggling? mustn't we have been wriggling? mustn't you have been wriggling? mustn't they have been wriggling?