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 must not shoal you must not shoal he must not shoal we must not shoal you must not shoal they must not shoal	I must not be shoaling you must not be shoaling he must not be shoaling we must not be shoaling you must not be shoaling they must not be shoaling
Perfect	V-ing perfect
I must not have shoaled you must not have shoaled he must not have shoaled we must not have shoaled you must not have shoaled they must not have shoaled	I must not have been shoaling you must not have been shoaling he must not have been shoaling we must not have been shoaling you must not have been shoaling they must not 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
must I not shoal? must you not shoal? must he not shoal? must we not shoal? must you not shoal? must they not shoal?	must I not be shoaling? must you not be shoaling? must he not be shoaling? must we not be shoaling? must you not be shoaling? must they not be shoaling?
Perfect	V-ing perfect
must I not have shoaled? must you not have shoaled? must he not have shoaled? must we not have shoaled? must you not have shoaled? must they not have shoaled?	must I not have been shoaling? must you not have been shoaling? must he not have been shoaling? must we not have been shoaling? must you not have been shoaling? must they not have been shoaling?