I could prenominate you could prenominate he could prenominate we could prenominate you could prenominate they could prenominate
V-ing form
I could be prenominating you could be prenominating he could be prenominating we could be prenominating you could be prenominating they could be prenominating
Perfect
I could have prenominated you could have prenominated he could have prenominated we could have prenominated you could have prenominated they could have prenominated
V-ing perfect
I could have been prenominating you could have been prenominating he could have been prenominating we could have been prenominating you could have been prenominating they could have been prenominating
Negation
Simple form
I couldn't prenominate you couldn't prenominate he couldn't prenominate we couldn't prenominate you couldn't prenominate they couldn't prenominate
V-ing form
I couldn't be prenominating you couldn't be prenominating he couldn't be prenominating we couldn't be prenominating you couldn't be prenominating they couldn't be prenominating
Perfect
I couldn't have prenominated you couldn't have prenominated he couldn't have prenominated we couldn't have prenominated you couldn't have prenominated they couldn't have prenominated
V-ing perfect
I couldn't have been prenominating you couldn't have been prenominating he couldn't have been prenominating we couldn't have been prenominating you couldn't have been prenominating they couldn't have been prenominating
Interrogative form
Simple form
could I prenominate? could you prenominate? could he prenominate? could we prenominate? could you prenominate? could they prenominate?
V-ing form
could I be prenominating? could you be prenominating? could he be prenominating? could we be prenominating? could you be prenominating? could they be prenominating?
Perfect
could I have prenominated? could you have prenominated? could he have prenominated? could we have prenominated? could you have prenominated? could they have prenominated?
V-ing perfect
could I have been prenominating? could you have been prenominating? could he have been prenominating? could we have been prenominating? could you have been prenominating? could they have been prenominating?
Interro-negative form
Simple form
couldn't I prenominate? couldn't you prenominate? couldn't he prenominate? couldn't we prenominate? couldn't you prenominate? couldn't they prenominate?
V-ing form
couldn't I be prenominating? couldn't you be prenominating? couldn't he be prenominating? couldn't we be prenominating? couldn't you be prenominating? couldn't they be prenominating?
Perfect
couldn't I have prenominated? couldn't you have prenominated? couldn't he have prenominated? couldn't we have prenominated? couldn't you have prenominated? couldn't they have prenominated?
V-ing perfect
couldn't I have been prenominating? couldn't you have been prenominating? couldn't he have been prenominating? couldn't we have been prenominating? couldn't you have been prenominating? couldn't they have been prenominating?