can redden
Regular verb: redden - reddened- reddened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can redden
you can redden
he can redden
we can redden
you can redden
they can redden 	I can be reddening
you can be reddening
he can be reddening
we can be reddening
you can be reddening
they can be reddening	I can have reddened
you can have reddened
he can have reddened
we can have reddened
you can have reddened
they can have reddened	I can have been reddening
you can have been reddening
he can have been reddening
we can have been reddening
you can have been reddening
they can have been reddening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't redden
you can't redden
he can't redden
we can't redden
you can't redden
they can't redden 	I can't be reddening
you can't be reddening
he can't be reddening
we can't be reddening
you can't be reddening
they can't be reddening	I can't have reddened
you can't have reddened
he can't have reddened
we can't have reddened
you can't have reddened
they can't have reddened	I can't have been reddening
you can't have been reddening
he can't have been reddening
we can't have been reddening
you can't have been reddening
they can't have been reddening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I redden?
can you redden?
can he redden?
can we redden?
can you redden?
can they redden? 	can I be reddening?
can you be reddening?
can he be reddening?
can we be reddening?
can you be reddening?
can they be reddening? 	can I have reddened?
can you have reddened?
can he have reddened?
can we have reddened?
can you have reddened?
can they have reddened? 	can I have been reddening?
can you have been reddening?
can he have been reddening?
can we have been reddening?
can you have been reddening?
can they have been reddening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I redden?
can't you redden?
can't he redden?
can't we redden?
can't you redden?
can't they redden? 	can't I be reddening?
can't you be reddening?
can't he be reddening?
can't we be reddening?
can't you be reddening?
can't they be reddening? 	can't I have reddened?
can't you have reddened?
can't he have reddened?
can't we have reddened?
can't you have reddened?
can't they have reddened? 	can't I have been reddening?
can't you have been reddening?
can't he have been reddening?
can't we have been reddening?
can't you have been reddening?
can't they have been reddening?