English verb conjugation
MUST SPOT

Regular verb: spot - spotted - spotted

Affirmation

Simple form	V-ing form
I must spot you must spot he must spot we must spot you must spot they must spot	I must be spotting you must be spotting he must be spotting we must be spotting you must be spotting they must be spotting
Perfect	V-ing perfect
I must have spotted you must have spotted he must have spotted we must have spotted you must have spotted they must have spotted	I must have been spotting you must have been spotting he must have been spotting we must have been spotting you must have been spotting they must have been spotting

Negation

Simple form	V-ing form
I must not spot you must not spot he must not spot we must not spot you must not spot they must not spot	I must not be spotting you must not be spotting he must not be spotting we must not be spotting you must not be spotting they must not be spotting
Perfect	V-ing perfect
I must not have spotted you must not have spotted he must not have spotted we must not have spotted you must not have spotted they must not have spotted	I must not have been spotting you must not have been spotting he must not have been spotting we must not have been spotting you must not have been spotting they must not have been spotting

Interrogative form

Simple form	V-ing form
must I spot? must you spot? must he spot? must we spot? must you spot? must they spot?	must I be spotting? must you be spotting? must he be spotting? must we be spotting? must you be spotting? must they be spotting?
Perfect	V-ing perfect
must I have spotted? must you have spotted? must he have spotted? must we have spotted? must you have spotted? must they have spotted?	must I have been spotting? must you have been spotting? must he have been spotting? must we have been spotting? must you have been spotting? must they have been spotting?

Interro-negative form

Simple form	V-ing form
must I not spot? must you not spot? must he not spot? must we not spot? must you not spot? must they not spot?	must I not be spotting? must you not be spotting? must he not be spotting? must we not be spotting? must you not be spotting? must they not be spotting?
Perfect	V-ing perfect
must I not have spotted? must you not have spotted? must he not have spotted? must we not have spotted? must you not have spotted? must they not have spotted?	must I not have been spotting? must you not have been spotting? must he not have been spotting? must we not have been spotting? must you not have been spotting? must they not have been spotting?