could mummy
Verbe régulier : mummy - mummied- mummied

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could mummy
you could mummy
he could mummy
we could mummy
you could mummy
they could mummy 	I could be mummying
you could be mummying
he could be mummying
we could be mummying
you could be mummying
they could be mummying	I could have mummied
you could have mummied
he could have mummied
we could have mummied
you could have mummied
they could have mummied	I could have been mummying
you could have been mummying
he could have been mummying
we could have been mummying
you could have been mummying
they could have been mummying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not mummy
you could not mummy
he could not mummy
we could not mummy
you could not mummy
they could not mummy 	I could not be mummying
you could not be mummying
he could not be mummying
we could not be mummying
you could not be mummying
they could not be mummying	I could not have mummied
you could not have mummied
he could not have mummied
we could not have mummied
you could not have mummied
they could not have mummied	I could not have been mummying
you could not have been mummying
he could not have been mummying
we could not have been mummying
you could not have been mummying
they could not have been mummying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I mummy?
could you mummy?
could he mummy?
could we mummy?
could you mummy?
could they mummy? 	could I be mummying?
could you be mummying?
could he be mummying?
could we be mummying?
could you be mummying?
could they be mummying? 	could I have mummied?
could you have mummied?
could he have mummied?
could we have mummied?
could you have mummied?
could they have mummied? 	could I have been mummying?
could you have been mummying?
could he have been mummying?
could we have been mummying?
could you have been mummying?
could they have been mummying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not mummy?
could you not mummy?
could he not mummy?
could we not mummy?
could you not mummy?
could they not mummy? 	could I not be mummying?
could you not be mummying?
could he not be mummying?
could we not be mummying?
could you not be mummying?
could they not be mummying? 	could I not have mummied?
could you not have mummied?
could he not have mummied?
could we not have mummied?
could you not have mummied?
could they not have mummied? 	could I not have been mummying?
could you not have been mummying?
could he not have been mummying?
could we not have been mummying?
could you not have been mummying?
could they not have been mummying?