must slate
Regular verb: slate - slated- slated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must slate
you must slate
he must slate
we must slate
you must slate
they must slate 	I must be slating
you must be slating
he must be slating
we must be slating
you must be slating
they must be slating	I must have slated
you must have slated
he must have slated
we must have slated
you must have slated
they must have slated	I must have been slating
you must have been slating
he must have been slating
we must have been slating
you must have been slating
they must have been slating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't slate
you mustn't slate
he mustn't slate
we mustn't slate
you mustn't slate
they mustn't slate 	I mustn't be slating
you mustn't be slating
he mustn't be slating
we mustn't be slating
you mustn't be slating
they mustn't be slating	I mustn't have slated
you mustn't have slated
he mustn't have slated
we mustn't have slated
you mustn't have slated
they mustn't have slated	I mustn't have been slating
you mustn't have been slating
he mustn't have been slating
we mustn't have been slating
you mustn't have been slating
they mustn't have been slating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I slate?
must you slate?
must he slate?
must we slate?
must you slate?
must they slate? 	must I be slating?
must you be slating?
must he be slating?
must we be slating?
must you be slating?
must they be slating? 	must I have slated?
must you have slated?
must he have slated?
must we have slated?
must you have slated?
must they have slated? 	must I have been slating?
must you have been slating?
must he have been slating?
must we have been slating?
must you have been slating?
must they have been slating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I slate?
mustn't you slate?
mustn't he slate?
mustn't we slate?
mustn't you slate?
mustn't they slate? 	mustn't I be slating?
mustn't you be slating?
mustn't he be slating?
mustn't we be slating?
mustn't you be slating?
mustn't they be slating? 	mustn't I have slated?
mustn't you have slated?
mustn't he have slated?
mustn't we have slated?
mustn't you have slated?
mustn't they have slated? 	mustn't I have been slating?
mustn't you have been slating?
mustn't he have been slating?
mustn't we have been slating?
mustn't you have been slating?
mustn't they have been slating?