can festoon
Regular verb: festoon - festooned- festooned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can festoon
you can festoon
he can festoon
we can festoon
you can festoon
they can festoon 	I can be festooning
you can be festooning
he can be festooning
we can be festooning
you can be festooning
they can be festooning	I can have festooned
you can have festooned
he can have festooned
we can have festooned
you can have festooned
they can have festooned	I can have been festooning
you can have been festooning
he can have been festooning
we can have been festooning
you can have been festooning
they can have been festooning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't festoon
you can't festoon
he can't festoon
we can't festoon
you can't festoon
they can't festoon 	I can't be festooning
you can't be festooning
he can't be festooning
we can't be festooning
you can't be festooning
they can't be festooning	I can't have festooned
you can't have festooned
he can't have festooned
we can't have festooned
you can't have festooned
they can't have festooned	I can't have been festooning
you can't have been festooning
he can't have been festooning
we can't have been festooning
you can't have been festooning
they can't have been festooning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I festoon?
can you festoon?
can he festoon?
can we festoon?
can you festoon?
can they festoon? 	can I be festooning?
can you be festooning?
can he be festooning?
can we be festooning?
can you be festooning?
can they be festooning? 	can I have festooned?
can you have festooned?
can he have festooned?
can we have festooned?
can you have festooned?
can they have festooned? 	can I have been festooning?
can you have been festooning?
can he have been festooning?
can we have been festooning?
can you have been festooning?
can they have been festooning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I festoon?
can't you festoon?
can't he festoon?
can't we festoon?
can't you festoon?
can't they festoon? 	can't I be festooning?
can't you be festooning?
can't he be festooning?
can't we be festooning?
can't you be festooning?
can't they be festooning? 	can't I have festooned?
can't you have festooned?
can't he have festooned?
can't we have festooned?
can't you have festooned?
can't they have festooned? 	can't I have been festooning?
can't you have been festooning?
can't he have been festooning?
can't we have been festooning?
can't you have been festooning?
can't they have been festooning?