could hurrah
Regular verb: hurrah - hurrahed- hurrahed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could hurrah
you could hurrah
he could hurrah
we could hurrah
you could hurrah
they could hurrah 	I could be hurrahing
you could be hurrahing
he could be hurrahing
we could be hurrahing
you could be hurrahing
they could be hurrahing	I could have hurrahed
you could have hurrahed
he could have hurrahed
we could have hurrahed
you could have hurrahed
they could have hurrahed	I could have been hurrahing
you could have been hurrahing
he could have been hurrahing
we could have been hurrahing
you could have been hurrahing
they could have been hurrahing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't hurrah
you couldn't hurrah
he couldn't hurrah
we couldn't hurrah
you couldn't hurrah
they couldn't hurrah 	I couldn't be hurrahing
you couldn't be hurrahing
he couldn't be hurrahing
we couldn't be hurrahing
you couldn't be hurrahing
they couldn't be hurrahing	I couldn't have hurrahed
you couldn't have hurrahed
he couldn't have hurrahed
we couldn't have hurrahed
you couldn't have hurrahed
they couldn't have hurrahed	I couldn't have been hurrahing
you couldn't have been hurrahing
he couldn't have been hurrahing
we couldn't have been hurrahing
you couldn't have been hurrahing
they couldn't have been hurrahing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I hurrah?
could you hurrah?
could he hurrah?
could we hurrah?
could you hurrah?
could they hurrah? 	could I be hurrahing?
could you be hurrahing?
could he be hurrahing?
could we be hurrahing?
could you be hurrahing?
could they be hurrahing? 	could I have hurrahed?
could you have hurrahed?
could he have hurrahed?
could we have hurrahed?
could you have hurrahed?
could they have hurrahed? 	could I have been hurrahing?
could you have been hurrahing?
could he have been hurrahing?
could we have been hurrahing?
could you have been hurrahing?
could they have been hurrahing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I hurrah?
couldn't you hurrah?
couldn't he hurrah?
couldn't we hurrah?
couldn't you hurrah?
couldn't they hurrah? 	couldn't I be hurrahing?
couldn't you be hurrahing?
couldn't he be hurrahing?
couldn't we be hurrahing?
couldn't you be hurrahing?
couldn't they be hurrahing? 	couldn't I have hurrahed?
couldn't you have hurrahed?
couldn't he have hurrahed?
couldn't we have hurrahed?
couldn't you have hurrahed?
couldn't they have hurrahed? 	couldn't I have been hurrahing?
couldn't you have been hurrahing?
couldn't he have been hurrahing?
couldn't we have been hurrahing?
couldn't you have been hurrahing?
couldn't they have been hurrahing?