English verb conjugation
MUST SPOT

Regular verb: spot - spotted - spotted

Affirmation

Simple form	V-ing form
I must spot you must spot she must spot we must spot you must spot they must spot	I must be spotting you must be spotting she 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 she 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 she 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 mustn't spot you mustn't spot she mustn't spot we mustn't spot you mustn't spot they mustn't spot	I mustn't be spotting you mustn't be spotting she mustn't be spotting we mustn't be spotting you mustn't be spotting they mustn't be spotting
Perfect	V-ing perfect
I mustn't have spotted you mustn't have spotted she mustn't have spotted we mustn't have spotted you mustn't have spotted they mustn't have spotted	I mustn't have been spotting you mustn't have been spotting she mustn't have been spotting we mustn't have been spotting you mustn't have been spotting they mustn't have been spotting

Interrogative form

Simple form	V-ing form
must I spot? must you spot? must she spot? must we spot? must you spot? must they spot?	must I be spotting? must you be spotting? must she 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 she 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 she 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
mustn't I spot? mustn't you spot? mustn't she spot? mustn't we spot? mustn't you spot? mustn't they spot?	mustn't I be spotting? mustn't you be spotting? mustn't she be spotting? mustn't we be spotting? mustn't you be spotting? mustn't they be spotting?
Perfect	V-ing perfect
mustn't I have spotted? mustn't you have spotted? mustn't she have spotted? mustn't we have spotted? mustn't you have spotted? mustn't they have spotted?	mustn't I have been spotting? mustn't you have been spotting? mustn't she have been spotting? mustn't we have been spotting? mustn't you have been spotting? mustn't they have been spotting?