could decrepitate
Verbe régulier : decrepitate - decrepitated- decrepitated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could decrepitate
you could decrepitate
he could decrepitate
we could decrepitate
you could decrepitate
they could decrepitate 	I could be decrepitating
you could be decrepitating
he could be decrepitating
we could be decrepitating
you could be decrepitating
they could be decrepitating	I could have decrepitated
you could have decrepitated
he could have decrepitated
we could have decrepitated
you could have decrepitated
they could have decrepitated	I could have been decrepitating
you could have been decrepitating
he could have been decrepitating
we could have been decrepitating
you could have been decrepitating
they could have been decrepitating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not decrepitate
you could not decrepitate
he could not decrepitate
we could not decrepitate
you could not decrepitate
they could not decrepitate 	I could not be decrepitating
you could not be decrepitating
he could not be decrepitating
we could not be decrepitating
you could not be decrepitating
they could not be decrepitating	I could not have decrepitated
you could not have decrepitated
he could not have decrepitated
we could not have decrepitated
you could not have decrepitated
they could not have decrepitated	I could not have been decrepitating
you could not have been decrepitating
he could not have been decrepitating
we could not have been decrepitating
you could not have been decrepitating
they could not have been decrepitating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I decrepitate?
could you decrepitate?
could he decrepitate?
could we decrepitate?
could you decrepitate?
could they decrepitate? 	could I be decrepitating?
could you be decrepitating?
could he be decrepitating?
could we be decrepitating?
could you be decrepitating?
could they be decrepitating? 	could I have decrepitated?
could you have decrepitated?
could he have decrepitated?
could we have decrepitated?
could you have decrepitated?
could they have decrepitated? 	could I have been decrepitating?
could you have been decrepitating?
could he have been decrepitating?
could we have been decrepitating?
could you have been decrepitating?
could they have been decrepitating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not decrepitate?
could you not decrepitate?
could he not decrepitate?
could we not decrepitate?
could you not decrepitate?
could they not decrepitate? 	could I not be decrepitating?
could you not be decrepitating?
could he not be decrepitating?
could we not be decrepitating?
could you not be decrepitating?
could they not be decrepitating? 	could I not have decrepitated?
could you not have decrepitated?
could he not have decrepitated?
could we not have decrepitated?
could you not have decrepitated?
could they not have decrepitated? 	could I not have been decrepitating?
could you not have been decrepitating?
could he not have been decrepitating?
could we not have been decrepitating?
could you not have been decrepitating?
could they not have been decrepitating?