English verb conjugation
COULD FRIG

Regular verb: frig - frigged - frigged

Affirmation

Simple form	V-ing form
I could frig you could frig she could frig we could frig you could frig they could frig	I could be frigging you could be frigging she could be frigging we could be frigging you could be frigging they could be frigging
Perfect	V-ing perfect
I could have frigged you could have frigged she could have frigged we could have frigged you could have frigged they could have frigged	I could have been frigging you could have been frigging she could have been frigging we could have been frigging you could have been frigging they could have been frigging

Negation

Simple form	V-ing form
I couldn't frig you couldn't frig she couldn't frig we couldn't frig you couldn't frig they couldn't frig	I couldn't be frigging you couldn't be frigging she couldn't be frigging we couldn't be frigging you couldn't be frigging they couldn't be frigging
Perfect	V-ing perfect
I couldn't have frigged you couldn't have frigged she couldn't have frigged we couldn't have frigged you couldn't have frigged they couldn't have frigged	I couldn't have been frigging you couldn't have been frigging she couldn't have been frigging we couldn't have been frigging you couldn't have been frigging they couldn't have been frigging

Interrogative form

Simple form	V-ing form
could I frig? could you frig? could she frig? could we frig? could you frig? could they frig?	could I be frigging? could you be frigging? could she be frigging? could we be frigging? could you be frigging? could they be frigging?
Perfect	V-ing perfect
could I have frigged? could you have frigged? could she have frigged? could we have frigged? could you have frigged? could they have frigged?	could I have been frigging? could you have been frigging? could she have been frigging? could we have been frigging? could you have been frigging? could they have been frigging?

Interro-negative form

Simple form	V-ing form
couldn't I frig? couldn't you frig? couldn't she frig? couldn't we frig? couldn't you frig? couldn't they frig?	couldn't I be frigging? couldn't you be frigging? couldn't she be frigging? couldn't we be frigging? couldn't you be frigging? couldn't they be frigging?
Perfect	V-ing perfect
couldn't I have frigged? couldn't you have frigged? couldn't she have frigged? couldn't we have frigged? couldn't you have frigged? couldn't they have frigged?	couldn't I have been frigging? couldn't you have been frigging? couldn't she have been frigging? couldn't we have been frigging? couldn't you have been frigging? couldn't they have been frigging?