must spot
Verbo regular: spot - spotted- spotted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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?