must slash
Regular verb: slash - slashed- slashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must slash
you must slash
she must slash
we must slash
you must slash
they must slash 	I must be slashing
you must be slashing
she must be slashing
we must be slashing
you must be slashing
they must be slashing	I must have slashed
you must have slashed
she must have slashed
we must have slashed
you must have slashed
they must have slashed	I must have been slashing
you must have been slashing
she must have been slashing
we must have been slashing
you must have been slashing
they must have been slashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't slash
you mustn't slash
she mustn't slash
we mustn't slash
you mustn't slash
they mustn't slash 	I mustn't be slashing
you mustn't be slashing
she mustn't be slashing
we mustn't be slashing
you mustn't be slashing
they mustn't be slashing	I mustn't have slashed
you mustn't have slashed
she mustn't have slashed
we mustn't have slashed
you mustn't have slashed
they mustn't have slashed	I mustn't have been slashing
you mustn't have been slashing
she mustn't have been slashing
we mustn't have been slashing
you mustn't have been slashing
they mustn't have been slashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I slash?
must you slash?
must she slash?
must we slash?
must you slash?
must they slash? 	must I be slashing?
must you be slashing?
must she be slashing?
must we be slashing?
must you be slashing?
must they be slashing? 	must I have slashed?
must you have slashed?
must she have slashed?
must we have slashed?
must you have slashed?
must they have slashed? 	must I have been slashing?
must you have been slashing?
must she have been slashing?
must we have been slashing?
must you have been slashing?
must they have been slashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I slash?
mustn't you slash?
mustn't she slash?
mustn't we slash?
mustn't you slash?
mustn't they slash? 	mustn't I be slashing?
mustn't you be slashing?
mustn't she be slashing?
mustn't we be slashing?
mustn't you be slashing?
mustn't they be slashing? 	mustn't I have slashed?
mustn't you have slashed?
mustn't she have slashed?
mustn't we have slashed?
mustn't you have slashed?
mustn't they have slashed? 	mustn't I have been slashing?
mustn't you have been slashing?
mustn't she have been slashing?
mustn't we have been slashing?
mustn't you have been slashing?
mustn't they have been slashing?