must gush
Regular verb: gush - gushed- gushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must gush
you must gush
he must gush
we must gush
you must gush
they must gush 	I must be gushing
you must be gushing
he must be gushing
we must be gushing
you must be gushing
they must be gushing	I must have gushed
you must have gushed
he must have gushed
we must have gushed
you must have gushed
they must have gushed	I must have been gushing
you must have been gushing
he must have been gushing
we must have been gushing
you must have been gushing
they must have been gushing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't gush
you mustn't gush
he mustn't gush
we mustn't gush
you mustn't gush
they mustn't gush 	I mustn't be gushing
you mustn't be gushing
he mustn't be gushing
we mustn't be gushing
you mustn't be gushing
they mustn't be gushing	I mustn't have gushed
you mustn't have gushed
he mustn't have gushed
we mustn't have gushed
you mustn't have gushed
they mustn't have gushed	I mustn't have been gushing
you mustn't have been gushing
he mustn't have been gushing
we mustn't have been gushing
you mustn't have been gushing
they mustn't have been gushing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I gush?
must you gush?
must he gush?
must we gush?
must you gush?
must they gush? 	must I be gushing?
must you be gushing?
must he be gushing?
must we be gushing?
must you be gushing?
must they be gushing? 	must I have gushed?
must you have gushed?
must he have gushed?
must we have gushed?
must you have gushed?
must they have gushed? 	must I have been gushing?
must you have been gushing?
must he have been gushing?
must we have been gushing?
must you have been gushing?
must they have been gushing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I gush?
mustn't you gush?
mustn't he gush?
mustn't we gush?
mustn't you gush?
mustn't they gush? 	mustn't I be gushing?
mustn't you be gushing?
mustn't he be gushing?
mustn't we be gushing?
mustn't you be gushing?
mustn't they be gushing? 	mustn't I have gushed?
mustn't you have gushed?
mustn't he have gushed?
mustn't we have gushed?
mustn't you have gushed?
mustn't they have gushed? 	mustn't I have been gushing?
mustn't you have been gushing?
mustn't he have been gushing?
mustn't we have been gushing?
mustn't you have been gushing?
mustn't they have been gushing?