I could mummify you could mummify she could mummify we could mummify you could mummify they could mummify
V-ing form
I could be mummifying you could be mummifying she could be mummifying we could be mummifying you could be mummifying they could be mummifying
Perfect
I could have mummified you could have mummified she could have mummified we could have mummified you could have mummified they could have mummified
V-ing perfect
I could have been mummifying you could have been mummifying she could have been mummifying we could have been mummifying you could have been mummifying they could have been mummifying
Negation
Simple form
I could not mummify you could not mummify she could not mummify we could not mummify you could not mummify they could not mummify
V-ing form
I could not be mummifying you could not be mummifying she could not be mummifying we could not be mummifying you could not be mummifying they could not be mummifying
Perfect
I could not have mummified you could not have mummified she could not have mummified we could not have mummified you could not have mummified they could not have mummified
V-ing perfect
I could not have been mummifying you could not have been mummifying she could not have been mummifying we could not have been mummifying you could not have been mummifying they could not have been mummifying
Interrogative form
Simple form
could I mummify? could you mummify? could she mummify? could we mummify? could you mummify? could they mummify?
V-ing form
could I be mummifying? could you be mummifying? could she be mummifying? could we be mummifying? could you be mummifying? could they be mummifying?
Perfect
could I have mummified? could you have mummified? could she have mummified? could we have mummified? could you have mummified? could they have mummified?
V-ing perfect
could I have been mummifying? could you have been mummifying? could she have been mummifying? could we have been mummifying? could you have been mummifying? could they have been mummifying?
Interro-negative form
Simple form
could I not mummify? could you not mummify? could she not mummify? could we not mummify? could you not mummify? could they not mummify?
V-ing form
could I not be mummifying? could you not be mummifying? could she not be mummifying? could we not be mummifying? could you not be mummifying? could they not be mummifying?
Perfect
could I not have mummified? could you not have mummified? could she not have mummified? could we not have mummified? could you not have mummified? could they not have mummified?
V-ing perfect
could I not have been mummifying? could you not have been mummifying? could she not have been mummifying? could we not have been mummifying? could you not have been mummifying? could they not have been mummifying?