English verb conjugation
COULD PAVE

Regular verb: pave - paved - paved

Affirmation

Simple form	V-ing form
I could pave you could pave she could pave we could pave you could pave they could pave	I could be paving you could be paving she could be paving we could be paving you could be paving they could be paving
Perfect	V-ing perfect
I could have paved you could have paved she could have paved we could have paved you could have paved they could have paved	I could have been paving you could have been paving she could have been paving we could have been paving you could have been paving they could have been paving

Negation

Simple form	V-ing form
I couldn't pave you couldn't pave she couldn't pave we couldn't pave you couldn't pave they couldn't pave	I couldn't be paving you couldn't be paving she couldn't be paving we couldn't be paving you couldn't be paving they couldn't be paving
Perfect	V-ing perfect
I couldn't have paved you couldn't have paved she couldn't have paved we couldn't have paved you couldn't have paved they couldn't have paved	I couldn't have been paving you couldn't have been paving she couldn't have been paving we couldn't have been paving you couldn't have been paving they couldn't have been paving

Interrogative form

Simple form	V-ing form
could I pave? could you pave? could she pave? could we pave? could you pave? could they pave?	could I be paving? could you be paving? could she be paving? could we be paving? could you be paving? could they be paving?
Perfect	V-ing perfect
could I have paved? could you have paved? could she have paved? could we have paved? could you have paved? could they have paved?	could I have been paving? could you have been paving? could she have been paving? could we have been paving? could you have been paving? could they have been paving?

Interro-negative form

Simple form	V-ing form
couldn't I pave? couldn't you pave? couldn't she pave? couldn't we pave? couldn't you pave? couldn't they pave?	couldn't I be paving? couldn't you be paving? couldn't she be paving? couldn't we be paving? couldn't you be paving? couldn't they be paving?
Perfect	V-ing perfect
couldn't I have paved? couldn't you have paved? couldn't she have paved? couldn't we have paved? couldn't you have paved? couldn't they have paved?	couldn't I have been paving? couldn't you have been paving? couldn't she have been paving? couldn't we have been paving? couldn't you have been paving? couldn't they have been paving?