could gush
Regular verb: gush - gushed- gushed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not gush
you could not gush
he could not gush
we could not gush
you could not gush
they could not gush 	I could not be gushing
you could not be gushing
he could not be gushing
we could not be gushing
you could not be gushing
they could not be gushing	I could not have gushed
you could not have gushed
he could not have gushed
we could not have gushed
you could not have gushed
they could not have gushed	I could not have been gushing
you could not have been gushing
he could not have been gushing
we could not have been gushing
you could not have been gushing
they could not have been gushing	

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

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