English verb conjugation
COULD PREPAVE

Regular verb: prepave - prepaved - prepaved

Affirmation

Simple form	V-ing form
I could prepave you could prepave he could prepave we could prepave you could prepave they could prepave	I could be prepaving you could be prepaving he could be prepaving we could be prepaving you could be prepaving they could be prepaving
Perfect	V-ing perfect
I could have prepaved you could have prepaved he could have prepaved we could have prepaved you could have prepaved they could have prepaved	I could have been prepaving you could have been prepaving he could have been prepaving we could have been prepaving you could have been prepaving they could have been prepaving

Negation

Simple form	V-ing form
I couldn't prepave you couldn't prepave he couldn't prepave we couldn't prepave you couldn't prepave they couldn't prepave	I couldn't be prepaving you couldn't be prepaving he couldn't be prepaving we couldn't be prepaving you couldn't be prepaving they couldn't be prepaving
Perfect	V-ing perfect
I couldn't have prepaved you couldn't have prepaved he couldn't have prepaved we couldn't have prepaved you couldn't have prepaved they couldn't have prepaved	I couldn't have been prepaving you couldn't have been prepaving he couldn't have been prepaving we couldn't have been prepaving you couldn't have been prepaving they couldn't have been prepaving

Interrogative form

Simple form	V-ing form
could I prepave? could you prepave? could he prepave? could we prepave? could you prepave? could they prepave?	could I be prepaving? could you be prepaving? could he be prepaving? could we be prepaving? could you be prepaving? could they be prepaving?
Perfect	V-ing perfect
could I have prepaved? could you have prepaved? could he have prepaved? could we have prepaved? could you have prepaved? could they have prepaved?	could I have been prepaving? could you have been prepaving? could he have been prepaving? could we have been prepaving? could you have been prepaving? could they have been prepaving?

Interro-negative form

Simple form	V-ing form
couldn't I prepave? couldn't you prepave? couldn't he prepave? couldn't we prepave? couldn't you prepave? couldn't they prepave?	couldn't I be prepaving? couldn't you be prepaving? couldn't he be prepaving? couldn't we be prepaving? couldn't you be prepaving? couldn't they be prepaving?
Perfect	V-ing perfect
couldn't I have prepaved? couldn't you have prepaved? couldn't he have prepaved? couldn't we have prepaved? couldn't you have prepaved? couldn't they have prepaved?	couldn't I have been prepaving? couldn't you have been prepaving? couldn't he have been prepaving? couldn't we have been prepaving? couldn't you have been prepaving? couldn't they have been prepaving?