must tuck
Verbo regular: tuck - tucked- tucked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't tuck
you mustn't tuck
he mustn't tuck
we mustn't tuck
you mustn't tuck
they mustn't tuck 	I mustn't be tucking
you mustn't be tucking
he mustn't be tucking
we mustn't be tucking
you mustn't be tucking
they mustn't be tucking	I mustn't have tucked
you mustn't have tucked
he mustn't have tucked
we mustn't have tucked
you mustn't have tucked
they mustn't have tucked	I mustn't have been tucking
you mustn't have been tucking
he mustn't have been tucking
we mustn't have been tucking
you mustn't have been tucking
they mustn't have been tucking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I tuck?
mustn't you tuck?
mustn't he tuck?
mustn't we tuck?
mustn't you tuck?
mustn't they tuck? 	mustn't I be tucking?
mustn't you be tucking?
mustn't he be tucking?
mustn't we be tucking?
mustn't you be tucking?
mustn't they be tucking? 	mustn't I have tucked?
mustn't you have tucked?
mustn't he have tucked?
mustn't we have tucked?
mustn't you have tucked?
mustn't they have tucked? 	mustn't I have been tucking?
mustn't you have been tucking?
mustn't he have been tucking?
mustn't we have been tucking?
mustn't you have been tucking?
mustn't they have been tucking?