must sleek
Verbo regular: sleek - sleeked- sleeked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must sleek
you must sleek
he must sleek
we must sleek
you must sleek
they must sleek 	I must be sleeking
you must be sleeking
he must be sleeking
we must be sleeking
you must be sleeking
they must be sleeking	I must have sleeked
you must have sleeked
he must have sleeked
we must have sleeked
you must have sleeked
they must have sleeked	I must have been sleeking
you must have been sleeking
he must have been sleeking
we must have been sleeking
you must have been sleeking
they must have been sleeking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't sleek
you mustn't sleek
he mustn't sleek
we mustn't sleek
you mustn't sleek
they mustn't sleek 	I mustn't be sleeking
you mustn't be sleeking
he mustn't be sleeking
we mustn't be sleeking
you mustn't be sleeking
they mustn't be sleeking	I mustn't have sleeked
you mustn't have sleeked
he mustn't have sleeked
we mustn't have sleeked
you mustn't have sleeked
they mustn't have sleeked	I mustn't have been sleeking
you mustn't have been sleeking
he mustn't have been sleeking
we mustn't have been sleeking
you mustn't have been sleeking
they mustn't have been sleeking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I sleek?
must you sleek?
must he sleek?
must we sleek?
must you sleek?
must they sleek? 	must I be sleeking?
must you be sleeking?
must he be sleeking?
must we be sleeking?
must you be sleeking?
must they be sleeking? 	must I have sleeked?
must you have sleeked?
must he have sleeked?
must we have sleeked?
must you have sleeked?
must they have sleeked? 	must I have been sleeking?
must you have been sleeking?
must he have been sleeking?
must we have been sleeking?
must you have been sleeking?
must they have been sleeking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I sleek?
mustn't you sleek?
mustn't he sleek?
mustn't we sleek?
mustn't you sleek?
mustn't they sleek? 	mustn't I be sleeking?
mustn't you be sleeking?
mustn't he be sleeking?
mustn't we be sleeking?
mustn't you be sleeking?
mustn't they be sleeking? 	mustn't I have sleeked?
mustn't you have sleeked?
mustn't he have sleeked?
mustn't we have sleeked?
mustn't you have sleeked?
mustn't they have sleeked? 	mustn't I have been sleeking?
mustn't you have been sleeking?
mustn't he have been sleeking?
mustn't we have been sleeking?
mustn't you have been sleeking?
mustn't they have been sleeking?