could flower
Regular verb: flower - flowered- flowered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could flower
you could flower
she could flower
we could flower
you could flower
they could flower 	I could be flowering
you could be flowering
she could be flowering
we could be flowering
you could be flowering
they could be flowering	I could have flowered
you could have flowered
she 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
she 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
she 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
she 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
she 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
she 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 she flower?
could we flower?
could you flower?
could they flower? 	could I be flowering?
could you be flowering?
could she be flowering?
could we be flowering?
could you be flowering?
could they be flowering? 	could I have flowered?
could you have flowered?
could she 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 she 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 she 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 she 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 she 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 she have been flowering?
couldn't we have been flowering?
couldn't you have been flowering?
couldn't they have been flowering?