must tuck
Verbo regular: tuck - tucked- tucked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must tuck
you must tuck
he must tuck
we must tuck
you must tuck
they must tuck 	I must be tucking
you must be tucking
he must be tucking
we must be tucking
you must be tucking
they must be tucking	I must have tucked
you must have tucked
he must have tucked
we must have tucked
you must have tucked
they must have tucked	I must have been tucking
you must have been tucking
he must have been tucking
we must have been tucking
you must have been tucking
they must have been tucking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not tuck
you must not tuck
he must not tuck
we must not tuck
you must not tuck
they must not tuck 	I must not be tucking
you must not be tucking
he must not be tucking
we must not be tucking
you must not be tucking
they must not be tucking	I must not have tucked
you must not have tucked
he must not have tucked
we must not have tucked
you must not have tucked
they must not have tucked	I must not have been tucking
you must not have been tucking
he must not have been tucking
we must not have been tucking
you must not have been tucking
they must not have been tucking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I tuck?
must you tuck?
must he tuck?
must we tuck?
must you tuck?
must they tuck? 	must I be tucking?
must you be tucking?
must he be tucking?
must we be tucking?
must you be tucking?
must they be tucking? 	must I have tucked?
must you have tucked?
must he have tucked?
must we have tucked?
must you have tucked?
must they have tucked? 	must I have been tucking?
must you have been tucking?
must he have been tucking?
must we have been tucking?
must you have been tucking?
must they have been tucking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not tuck?
must you not tuck?
must he not tuck?
must we not tuck?
must you not tuck?
must they not tuck? 	must I not be tucking?
must you not be tucking?
must he not be tucking?
must we not be tucking?
must you not be tucking?
must they not be tucking? 	must I not have tucked?
must you not have tucked?
must he not have tucked?
must we not have tucked?
must you not have tucked?
must they not have tucked? 	must I not have been tucking?
must you not have been tucking?
must he not have been tucking?
must we not have been tucking?
must you not have been tucking?
must they not have been tucking?