must whoosh
Regular verb: whoosh - whooshed- whooshed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must whoosh
you must whoosh
he must whoosh
we must whoosh
you must whoosh
they must whoosh 	I must be whooshing
you must be whooshing
he must be whooshing
we must be whooshing
you must be whooshing
they must be whooshing	I must have whooshed
you must have whooshed
he must have whooshed
we must have whooshed
you must have whooshed
they must have whooshed	I must have been whooshing
you must have been whooshing
he must have been whooshing
we must have been whooshing
you must have been whooshing
they must have been whooshing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't whoosh
you mustn't whoosh
he mustn't whoosh
we mustn't whoosh
you mustn't whoosh
they mustn't whoosh 	I mustn't be whooshing
you mustn't be whooshing
he mustn't be whooshing
we mustn't be whooshing
you mustn't be whooshing
they mustn't be whooshing	I mustn't have whooshed
you mustn't have whooshed
he mustn't have whooshed
we mustn't have whooshed
you mustn't have whooshed
they mustn't have whooshed	I mustn't have been whooshing
you mustn't have been whooshing
he mustn't have been whooshing
we mustn't have been whooshing
you mustn't have been whooshing
they mustn't have been whooshing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I whoosh?
must you whoosh?
must he whoosh?
must we whoosh?
must you whoosh?
must they whoosh? 	must I be whooshing?
must you be whooshing?
must he be whooshing?
must we be whooshing?
must you be whooshing?
must they be whooshing? 	must I have whooshed?
must you have whooshed?
must he have whooshed?
must we have whooshed?
must you have whooshed?
must they have whooshed? 	must I have been whooshing?
must you have been whooshing?
must he have been whooshing?
must we have been whooshing?
must you have been whooshing?
must they have been whooshing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I whoosh?
mustn't you whoosh?
mustn't he whoosh?
mustn't we whoosh?
mustn't you whoosh?
mustn't they whoosh? 	mustn't I be whooshing?
mustn't you be whooshing?
mustn't he be whooshing?
mustn't we be whooshing?
mustn't you be whooshing?
mustn't they be whooshing? 	mustn't I have whooshed?
mustn't you have whooshed?
mustn't he have whooshed?
mustn't we have whooshed?
mustn't you have whooshed?
mustn't they have whooshed? 	mustn't I have been whooshing?
mustn't you have been whooshing?
mustn't he have been whooshing?
mustn't we have been whooshing?
mustn't you have been whooshing?
mustn't they have been whooshing?