could luxuriate
Regular verb: luxuriate - luxuriated- luxuriated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could luxuriate
you could luxuriate
he could luxuriate
we could luxuriate
you could luxuriate
they could luxuriate 	I could be luxuriating
you could be luxuriating
he could be luxuriating
we could be luxuriating
you could be luxuriating
they could be luxuriating	I could have luxuriated
you could have luxuriated
he could have luxuriated
we could have luxuriated
you could have luxuriated
they could have luxuriated	I could have been luxuriating
you could have been luxuriating
he could have been luxuriating
we could have been luxuriating
you could have been luxuriating
they could have been luxuriating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not luxuriate
you could not luxuriate
he could not luxuriate
we could not luxuriate
you could not luxuriate
they could not luxuriate 	I could not be luxuriating
you could not be luxuriating
he could not be luxuriating
we could not be luxuriating
you could not be luxuriating
they could not be luxuriating	I could not have luxuriated
you could not have luxuriated
he could not have luxuriated
we could not have luxuriated
you could not have luxuriated
they could not have luxuriated	I could not have been luxuriating
you could not have been luxuriating
he could not have been luxuriating
we could not have been luxuriating
you could not have been luxuriating
they could not have been luxuriating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I luxuriate?
could you luxuriate?
could he luxuriate?
could we luxuriate?
could you luxuriate?
could they luxuriate? 	could I be luxuriating?
could you be luxuriating?
could he be luxuriating?
could we be luxuriating?
could you be luxuriating?
could they be luxuriating? 	could I have luxuriated?
could you have luxuriated?
could he have luxuriated?
could we have luxuriated?
could you have luxuriated?
could they have luxuriated? 	could I have been luxuriating?
could you have been luxuriating?
could he have been luxuriating?
could we have been luxuriating?
could you have been luxuriating?
could they have been luxuriating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not luxuriate?
could you not luxuriate?
could he not luxuriate?
could we not luxuriate?
could you not luxuriate?
could they not luxuriate? 	could I not be luxuriating?
could you not be luxuriating?
could he not be luxuriating?
could we not be luxuriating?
could you not be luxuriating?
could they not be luxuriating? 	could I not have luxuriated?
could you not have luxuriated?
could he not have luxuriated?
could we not have luxuriated?
could you not have luxuriated?
could they not have luxuriated? 	could I not have been luxuriating?
could you not have been luxuriating?
could he not have been luxuriating?
could we not have been luxuriating?
could you not have been luxuriating?
could they not have been luxuriating?