could ping-pong
Verbe régulier : ping-pong - ping-ponged- ping-ponged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could ping-pong
you could ping-pong
he could ping-pong
we could ping-pong
you could ping-pong
they could ping-pong 	I could be ping-ponging
you could be ping-ponging
he could be ping-ponging
we could be ping-ponging
you could be ping-ponging
they could be ping-ponging	I could have ping-ponged
you could have ping-ponged
he could have ping-ponged
we could have ping-ponged
you could have ping-ponged
they could have ping-ponged	I could have been ping-ponging
you could have been ping-ponging
he could have been ping-ponging
we could have been ping-ponging
you could have been ping-ponging
they could have been ping-ponging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't ping-pong
you couldn't ping-pong
he couldn't ping-pong
we couldn't ping-pong
you couldn't ping-pong
they couldn't ping-pong 	I couldn't be ping-ponging
you couldn't be ping-ponging
he couldn't be ping-ponging
we couldn't be ping-ponging
you couldn't be ping-ponging
they couldn't be ping-ponging	I couldn't have ping-ponged
you couldn't have ping-ponged
he couldn't have ping-ponged
we couldn't have ping-ponged
you couldn't have ping-ponged
they couldn't have ping-ponged	I couldn't have been ping-ponging
you couldn't have been ping-ponging
he couldn't have been ping-ponging
we couldn't have been ping-ponging
you couldn't have been ping-ponging
they couldn't have been ping-ponging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I ping-pong?
could you ping-pong?
could he ping-pong?
could we ping-pong?
could you ping-pong?
could they ping-pong? 	could I be ping-ponging?
could you be ping-ponging?
could he be ping-ponging?
could we be ping-ponging?
could you be ping-ponging?
could they be ping-ponging? 	could I have ping-ponged?
could you have ping-ponged?
could he have ping-ponged?
could we have ping-ponged?
could you have ping-ponged?
could they have ping-ponged? 	could I have been ping-ponging?
could you have been ping-ponging?
could he have been ping-ponging?
could we have been ping-ponging?
could you have been ping-ponging?
could they have been ping-ponging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I ping-pong?
couldn't you ping-pong?
couldn't he ping-pong?
couldn't we ping-pong?
couldn't you ping-pong?
couldn't they ping-pong? 	couldn't I be ping-ponging?
couldn't you be ping-ponging?
couldn't he be ping-ponging?
couldn't we be ping-ponging?
couldn't you be ping-ponging?
couldn't they be ping-ponging? 	couldn't I have ping-ponged?
couldn't you have ping-ponged?
couldn't he have ping-ponged?
couldn't we have ping-ponged?
couldn't you have ping-ponged?
couldn't they have ping-ponged? 	couldn't I have been ping-ponging?
couldn't you have been ping-ponging?
couldn't he have been ping-ponging?
couldn't we have been ping-ponging?
couldn't you have been ping-ponging?
couldn't they have been ping-ponging?