could propagate
Verbe régulier : propagate - propagated- propagated
Traduction française : propager - se propager 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could propagate
you could propagate
he could propagate
we could propagate
you could propagate
they could propagate 	I could be propagating
you could be propagating
he could be propagating
we could be propagating
you could be propagating
they could be propagating	I could have propagated
you could have propagated
he could have propagated
we could have propagated
you could have propagated
they could have propagated	I could have been propagating
you could have been propagating
he could have been propagating
we could have been propagating
you could have been propagating
they could have been propagating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't propagate
you couldn't propagate
he couldn't propagate
we couldn't propagate
you couldn't propagate
they couldn't propagate 	I couldn't be propagating
you couldn't be propagating
he couldn't be propagating
we couldn't be propagating
you couldn't be propagating
they couldn't be propagating	I couldn't have propagated
you couldn't have propagated
he couldn't have propagated
we couldn't have propagated
you couldn't have propagated
they couldn't have propagated	I couldn't have been propagating
you couldn't have been propagating
he couldn't have been propagating
we couldn't have been propagating
you couldn't have been propagating
they couldn't have been propagating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I propagate?
could you propagate?
could he propagate?
could we propagate?
could you propagate?
could they propagate? 	could I be propagating?
could you be propagating?
could he be propagating?
could we be propagating?
could you be propagating?
could they be propagating? 	could I have propagated?
could you have propagated?
could he have propagated?
could we have propagated?
could you have propagated?
could they have propagated? 	could I have been propagating?
could you have been propagating?
could he have been propagating?
could we have been propagating?
could you have been propagating?
could they have been propagating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I propagate?
couldn't you propagate?
couldn't he propagate?
couldn't we propagate?
couldn't you propagate?
couldn't they propagate? 	couldn't I be propagating?
couldn't you be propagating?
couldn't he be propagating?
couldn't we be propagating?
couldn't you be propagating?
couldn't they be propagating? 	couldn't I have propagated?
couldn't you have propagated?
couldn't he have propagated?
couldn't we have propagated?
couldn't you have propagated?
couldn't they have propagated? 	couldn't I have been propagating?
couldn't you have been propagating?
couldn't he have been propagating?
couldn't we have been propagating?
couldn't you have been propagating?
couldn't they have been propagating?