can flower
Regular verb: flower - flowered- flowered

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

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

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

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