could prop
Verbe régulier : prop - propped- propped
Traduction française : appuyer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could prop
you could prop
she could prop
we could prop
you could prop
they could prop 	I could be propping
you could be propping
she could be propping
we could be propping
you could be propping
they could be propping	I could have propped
you could have propped
she could have propped
we could have propped
you could have propped
they could have propped	I could have been propping
you could have been propping
she could have been propping
we could have been propping
you could have been propping
they could have been propping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not prop
you could not prop
she could not prop
we could not prop
you could not prop
they could not prop 	I could not be propping
you could not be propping
she could not be propping
we could not be propping
you could not be propping
they could not be propping	I could not have propped
you could not have propped
she could not have propped
we could not have propped
you could not have propped
they could not have propped	I could not have been propping
you could not have been propping
she could not have been propping
we could not have been propping
you could not have been propping
they could not have been propping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I prop?
could you prop?
could she prop?
could we prop?
could you prop?
could they prop? 	could I be propping?
could you be propping?
could she be propping?
could we be propping?
could you be propping?
could they be propping? 	could I have propped?
could you have propped?
could she have propped?
could we have propped?
could you have propped?
could they have propped? 	could I have been propping?
could you have been propping?
could she have been propping?
could we have been propping?
could you have been propping?
could they have been propping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not prop?
could you not prop?
could she not prop?
could we not prop?
could you not prop?
could they not prop? 	could I not be propping?
could you not be propping?
could she not be propping?
could we not be propping?
could you not be propping?
could they not be propping? 	could I not have propped?
could you not have propped?
could she not have propped?
could we not have propped?
could you not have propped?
could they not have propped? 	could I not have been propping?
could you not have been propping?
could she not have been propping?
could we not have been propping?
could you not have been propping?
could they not have been propping?