English verb conjugation
MUST SHOAL

Regular verb: shoal - shoaled - shoaled

Affirmation

Simple form	V-ing form
I must shoal you must shoal he must shoal we must shoal you must shoal they must shoal	I must be shoaling you must be shoaling he must be shoaling we must be shoaling you must be shoaling they must be shoaling
Perfect	V-ing perfect
I must have shoaled you must have shoaled he must have shoaled we must have shoaled you must have shoaled they must have shoaled	I must have been shoaling you must have been shoaling he must have been shoaling we must have been shoaling you must have been shoaling they must have been shoaling

Negation

Simple form	V-ing form
I mustn't shoal you mustn't shoal he mustn't shoal we mustn't shoal you mustn't shoal they mustn't shoal	I mustn't be shoaling you mustn't be shoaling he mustn't be shoaling we mustn't be shoaling you mustn't be shoaling they mustn't be shoaling
Perfect	V-ing perfect
I mustn't have shoaled you mustn't have shoaled he mustn't have shoaled we mustn't have shoaled you mustn't have shoaled they mustn't have shoaled	I mustn't have been shoaling you mustn't have been shoaling he mustn't have been shoaling we mustn't have been shoaling you mustn't have been shoaling they mustn't have been shoaling

Interrogative form

Simple form	V-ing form
must I shoal? must you shoal? must he shoal? must we shoal? must you shoal? must they shoal?	must I be shoaling? must you be shoaling? must he be shoaling? must we be shoaling? must you be shoaling? must they be shoaling?
Perfect	V-ing perfect
must I have shoaled? must you have shoaled? must he have shoaled? must we have shoaled? must you have shoaled? must they have shoaled?	must I have been shoaling? must you have been shoaling? must he have been shoaling? must we have been shoaling? must you have been shoaling? must they have been shoaling?

Interro-negative form

Simple form	V-ing form
mustn't I shoal? mustn't you shoal? mustn't he shoal? mustn't we shoal? mustn't you shoal? mustn't they shoal?	mustn't I be shoaling? mustn't you be shoaling? mustn't he be shoaling? mustn't we be shoaling? mustn't you be shoaling? mustn't they be shoaling?
Perfect	V-ing perfect
mustn't I have shoaled? mustn't you have shoaled? mustn't he have shoaled? mustn't we have shoaled? mustn't you have shoaled? mustn't they have shoaled?	mustn't I have been shoaling? mustn't you have been shoaling? mustn't he have been shoaling? mustn't we have been shoaling? mustn't you have been shoaling? mustn't they have been shoaling?