must knot
Verbo regular: knot - knotted- knotted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must knot
you must knot
he must knot
we must knot
you must knot
they must knot 	I must be knotting
you must be knotting
he must be knotting
we must be knotting
you must be knotting
they must be knotting	I must have knotted
you must have knotted
he must have knotted
we must have knotted
you must have knotted
they must have knotted	I must have been knotting
you must have been knotting
he must have been knotting
we must have been knotting
you must have been knotting
they must have been knotting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not knot
you must not knot
he must not knot
we must not knot
you must not knot
they must not knot 	I must not be knotting
you must not be knotting
he must not be knotting
we must not be knotting
you must not be knotting
they must not be knotting	I must not have knotted
you must not have knotted
he must not have knotted
we must not have knotted
you must not have knotted
they must not have knotted	I must not have been knotting
you must not have been knotting
he must not have been knotting
we must not have been knotting
you must not have been knotting
they must not have been knotting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I knot?
must you knot?
must he knot?
must we knot?
must you knot?
must they knot? 	must I be knotting?
must you be knotting?
must he be knotting?
must we be knotting?
must you be knotting?
must they be knotting? 	must I have knotted?
must you have knotted?
must he have knotted?
must we have knotted?
must you have knotted?
must they have knotted? 	must I have been knotting?
must you have been knotting?
must he have been knotting?
must we have been knotting?
must you have been knotting?
must they have been knotting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not knot?
must you not knot?
must he not knot?
must we not knot?
must you not knot?
must they not knot? 	must I not be knotting?
must you not be knotting?
must he not be knotting?
must we not be knotting?
must you not be knotting?
must they not be knotting? 	must I not have knotted?
must you not have knotted?
must he not have knotted?
must we not have knotted?
must you not have knotted?
must they not have knotted? 	must I not have been knotting?
must you not have been knotting?
must he not have been knotting?
must we not have been knotting?
must you not have been knotting?
must they not have been knotting?