must slick
Verbo regular: slick - slicked- slicked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must slick
you must slick
he must slick
we must slick
you must slick
they must slick 	I must be slicking
you must be slicking
he must be slicking
we must be slicking
you must be slicking
they must be slicking	I must have slicked
you must have slicked
he must have slicked
we must have slicked
you must have slicked
they must have slicked	I must have been slicking
you must have been slicking
he must have been slicking
we must have been slicking
you must have been slicking
they must have been slicking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not slick
you must not slick
he must not slick
we must not slick
you must not slick
they must not slick 	I must not be slicking
you must not be slicking
he must not be slicking
we must not be slicking
you must not be slicking
they must not be slicking	I must not have slicked
you must not have slicked
he must not have slicked
we must not have slicked
you must not have slicked
they must not have slicked	I must not have been slicking
you must not have been slicking
he must not have been slicking
we must not have been slicking
you must not have been slicking
they must not have been slicking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I slick?
must you slick?
must he slick?
must we slick?
must you slick?
must they slick? 	must I be slicking?
must you be slicking?
must he be slicking?
must we be slicking?
must you be slicking?
must they be slicking? 	must I have slicked?
must you have slicked?
must he have slicked?
must we have slicked?
must you have slicked?
must they have slicked? 	must I have been slicking?
must you have been slicking?
must he have been slicking?
must we have been slicking?
must you have been slicking?
must they have been slicking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not slick?
must you not slick?
must he not slick?
must we not slick?
must you not slick?
must they not slick? 	must I not be slicking?
must you not be slicking?
must he not be slicking?
must we not be slicking?
must you not be slicking?
must they not be slicking? 	must I not have slicked?
must you not have slicked?
must he not have slicked?
must we not have slicked?
must you not have slicked?
must they not have slicked? 	must I not have been slicking?
must you not have been slicking?
must he not have been slicking?
must we not have been slicking?
must you not have been slicking?
must they not have been slicking?