English verb conjugation
COULD PEG

Regular verb: peg - pegged - pegged

Affirmation

Simple form	V-ing form
I could peg you could peg she could peg we could peg you could peg they could peg	I could be pegging you could be pegging she could be pegging we could be pegging you could be pegging they could be pegging
Perfect	V-ing perfect
I could have pegged you could have pegged she could have pegged we could have pegged you could have pegged they could have pegged	I could have been pegging you could have been pegging she could have been pegging we could have been pegging you could have been pegging they could have been pegging

Negation

Simple form	V-ing form
I couldn't peg you couldn't peg she couldn't peg we couldn't peg you couldn't peg they couldn't peg	I couldn't be pegging you couldn't be pegging she couldn't be pegging we couldn't be pegging you couldn't be pegging they couldn't be pegging
Perfect	V-ing perfect
I couldn't have pegged you couldn't have pegged she couldn't have pegged we couldn't have pegged you couldn't have pegged they couldn't have pegged	I couldn't have been pegging you couldn't have been pegging she couldn't have been pegging we couldn't have been pegging you couldn't have been pegging they couldn't have been pegging

Interrogative form

Simple form	V-ing form
could I peg? could you peg? could she peg? could we peg? could you peg? could they peg?	could I be pegging? could you be pegging? could she be pegging? could we be pegging? could you be pegging? could they be pegging?
Perfect	V-ing perfect
could I have pegged? could you have pegged? could she have pegged? could we have pegged? could you have pegged? could they have pegged?	could I have been pegging? could you have been pegging? could she have been pegging? could we have been pegging? could you have been pegging? could they have been pegging?

Interro-negative form

Simple form	V-ing form
couldn't I peg? couldn't you peg? couldn't she peg? couldn't we peg? couldn't you peg? couldn't they peg?	couldn't I be pegging? couldn't you be pegging? couldn't she be pegging? couldn't we be pegging? couldn't you be pegging? couldn't they be pegging?
Perfect	V-ing perfect
couldn't I have pegged? couldn't you have pegged? couldn't she have pegged? couldn't we have pegged? couldn't you have pegged? couldn't they have pegged?	couldn't I have been pegging? couldn't you have been pegging? couldn't she have been pegging? couldn't we have been pegging? couldn't you have been pegging? couldn't they have been pegging?