could flower
Regular verb: flower - flowered- flowered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could flower
you could flower
he could flower
we could flower
you could flower
they could flower 	I could be flowering
you could be flowering
he could be flowering
we could be flowering
you could be flowering
they could be flowering	I could have flowered
you could have flowered
he could have flowered
we could have flowered
you could have flowered
they could have flowered	I could have been flowering
you could have been flowering
he could have been flowering
we could have been flowering
you could have been flowering
they could have been flowering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't flower
you couldn't flower
he couldn't flower
we couldn't flower
you couldn't flower
they couldn't flower 	I couldn't be flowering
you couldn't be flowering
he couldn't be flowering
we couldn't be flowering
you couldn't be flowering
they couldn't be flowering	I couldn't have flowered
you couldn't have flowered
he couldn't have flowered
we couldn't have flowered
you couldn't have flowered
they couldn't have flowered	I couldn't have been flowering
you couldn't have been flowering
he couldn't have been flowering
we couldn't have been flowering
you couldn't have been flowering
they couldn't have been flowering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I flower?
could you flower?
could he flower?
could we flower?
could you flower?
could they flower? 	could I be flowering?
could you be flowering?
could he be flowering?
could we be flowering?
could you be flowering?
could they be flowering? 	could I have flowered?
could you have flowered?
could he have flowered?
could we have flowered?
could you have flowered?
could they have flowered? 	could I have been flowering?
could you have been flowering?
could he have been flowering?
could we have been flowering?
could you have been flowering?
could they have been flowering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I flower?
couldn't you flower?
couldn't he flower?
couldn't we flower?
couldn't you flower?
couldn't they flower? 	couldn't I be flowering?
couldn't you be flowering?
couldn't he be flowering?
couldn't we be flowering?
couldn't you be flowering?
couldn't they be flowering? 	couldn't I have flowered?
couldn't you have flowered?
couldn't he have flowered?
couldn't we have flowered?
couldn't you have flowered?
couldn't they have flowered? 	couldn't I have been flowering?
couldn't you have been flowering?
couldn't he have been flowering?
couldn't we have been flowering?
couldn't you have been flowering?
couldn't they have been flowering?