could mummy
Regular verb: mummy - mummied- mummied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mummy
you couldn't mummy
he couldn't mummy
we couldn't mummy
you couldn't mummy
they couldn't mummy 	I couldn't be mummying
you couldn't be mummying
he couldn't be mummying
we couldn't be mummying
you couldn't be mummying
they couldn't be mummying	I couldn't have mummied
you couldn't have mummied
he couldn't have mummied
we couldn't have mummied
you couldn't have mummied
they couldn't have mummied	I couldn't have been mummying
you couldn't have been mummying
he couldn't have been mummying
we couldn't have been mummying
you couldn't have been mummying
they couldn't have been mummying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mummy?
couldn't you mummy?
couldn't he mummy?
couldn't we mummy?
couldn't you mummy?
couldn't they mummy? 	couldn't I be mummying?
couldn't you be mummying?
couldn't he be mummying?
couldn't we be mummying?
couldn't you be mummying?
couldn't they be mummying? 	couldn't I have mummied?
couldn't you have mummied?
couldn't he have mummied?
couldn't we have mummied?
couldn't you have mummied?
couldn't they have mummied? 	couldn't I have been mummying?
couldn't you have been mummying?
couldn't he have been mummying?
couldn't we have been mummying?
couldn't you have been mummying?
couldn't they have been mummying?