could luster
Verbe régulier : luster - lustered- lustered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could luster
you could luster
she could luster
we could luster
you could luster
they could luster 	I could be lustering
you could be lustering
she could be lustering
we could be lustering
you could be lustering
they could be lustering	I could have lustered
you could have lustered
she could have lustered
we could have lustered
you could have lustered
they could have lustered	I could have been lustering
you could have been lustering
she could have been lustering
we could have been lustering
you could have been lustering
they could have been lustering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not luster
you could not luster
she could not luster
we could not luster
you could not luster
they could not luster 	I could not be lustering
you could not be lustering
she could not be lustering
we could not be lustering
you could not be lustering
they could not be lustering	I could not have lustered
you could not have lustered
she could not have lustered
we could not have lustered
you could not have lustered
they could not have lustered	I could not have been lustering
you could not have been lustering
she could not have been lustering
we could not have been lustering
you could not have been lustering
they could not have been lustering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I luster?
could you luster?
could she luster?
could we luster?
could you luster?
could they luster? 	could I be lustering?
could you be lustering?
could she be lustering?
could we be lustering?
could you be lustering?
could they be lustering? 	could I have lustered?
could you have lustered?
could she have lustered?
could we have lustered?
could you have lustered?
could they have lustered? 	could I have been lustering?
could you have been lustering?
could she have been lustering?
could we have been lustering?
could you have been lustering?
could they have been lustering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not luster?
could you not luster?
could she not luster?
could we not luster?
could you not luster?
could they not luster? 	could I not be lustering?
could you not be lustering?
could she not be lustering?
could we not be lustering?
could you not be lustering?
could they not be lustering? 	could I not have lustered?
could you not have lustered?
could she not have lustered?
could we not have lustered?
could you not have lustered?
could they not have lustered? 	could I not have been lustering?
could you not have been lustering?
could she not have been lustering?
could we not have been lustering?
could you not have been lustering?
could they not have been lustering?