English verb conjugation
COULD PAVE

Regular verb: pave - paved - paved

Affirmation

Simple form	V-ing form
I could pave you could pave he could pave we could pave you could pave they could pave	I could be paving you could be paving he 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 he 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 he 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 he 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 he 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 he 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 he 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 he pave? could we pave? could you pave? could they pave?	could I be paving? could you be paving? could he 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 he 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 he 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 he 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 he 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 he 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 he have been paving? couldn't we have been paving? couldn't you have been paving? couldn't they have been paving?