could redeem
Regular verb: redeem - redeemed- redeemed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could redeem
you could redeem
he could redeem
we could redeem
you could redeem
they could redeem 	I could be redeeming
you could be redeeming
he could be redeeming
we could be redeeming
you could be redeeming
they could be redeeming	I could have redeemed
you could have redeemed
he could have redeemed
we could have redeemed
you could have redeemed
they could have redeemed	I could have been redeeming
you could have been redeeming
he could have been redeeming
we could have been redeeming
you could have been redeeming
they could have been redeeming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't redeem
you couldn't redeem
he couldn't redeem
we couldn't redeem
you couldn't redeem
they couldn't redeem 	I couldn't be redeeming
you couldn't be redeeming
he couldn't be redeeming
we couldn't be redeeming
you couldn't be redeeming
they couldn't be redeeming	I couldn't have redeemed
you couldn't have redeemed
he couldn't have redeemed
we couldn't have redeemed
you couldn't have redeemed
they couldn't have redeemed	I couldn't have been redeeming
you couldn't have been redeeming
he couldn't have been redeeming
we couldn't have been redeeming
you couldn't have been redeeming
they couldn't have been redeeming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I redeem?
could you redeem?
could he redeem?
could we redeem?
could you redeem?
could they redeem? 	could I be redeeming?
could you be redeeming?
could he be redeeming?
could we be redeeming?
could you be redeeming?
could they be redeeming? 	could I have redeemed?
could you have redeemed?
could he have redeemed?
could we have redeemed?
could you have redeemed?
could they have redeemed? 	could I have been redeeming?
could you have been redeeming?
could he have been redeeming?
could we have been redeeming?
could you have been redeeming?
could they have been redeeming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I redeem?
couldn't you redeem?
couldn't he redeem?
couldn't we redeem?
couldn't you redeem?
couldn't they redeem? 	couldn't I be redeeming?
couldn't you be redeeming?
couldn't he be redeeming?
couldn't we be redeeming?
couldn't you be redeeming?
couldn't they be redeeming? 	couldn't I have redeemed?
couldn't you have redeemed?
couldn't he have redeemed?
couldn't we have redeemed?
couldn't you have redeemed?
couldn't they have redeemed? 	couldn't I have been redeeming?
couldn't you have been redeeming?
couldn't he have been redeeming?
couldn't we have been redeeming?
couldn't you have been redeeming?
couldn't they have been redeeming?