English verb conjugation
COULD GAD

Regular verb: gad - gadded - gadded

Affirmation

Simple form	V-ing form
I could gad you could gad he could gad we could gad you could gad they could gad	I could be gadding you could be gadding he could be gadding we could be gadding you could be gadding they could be gadding
Perfect	V-ing perfect
I could have gadded you could have gadded he could have gadded we could have gadded you could have gadded they could have gadded	I could have been gadding you could have been gadding he could have been gadding we could have been gadding you could have been gadding they could have been gadding

Negation

Simple form	V-ing form
I couldn't gad you couldn't gad he couldn't gad we couldn't gad you couldn't gad they couldn't gad	I couldn't be gadding you couldn't be gadding he couldn't be gadding we couldn't be gadding you couldn't be gadding they couldn't be gadding
Perfect	V-ing perfect
I couldn't have gadded you couldn't have gadded he couldn't have gadded we couldn't have gadded you couldn't have gadded they couldn't have gadded	I couldn't have been gadding you couldn't have been gadding he couldn't have been gadding we couldn't have been gadding you couldn't have been gadding they couldn't have been gadding

Interrogative form

Simple form	V-ing form
could I gad? could you gad? could he gad? could we gad? could you gad? could they gad?	could I be gadding? could you be gadding? could he be gadding? could we be gadding? could you be gadding? could they be gadding?
Perfect	V-ing perfect
could I have gadded? could you have gadded? could he have gadded? could we have gadded? could you have gadded? could they have gadded?	could I have been gadding? could you have been gadding? could he have been gadding? could we have been gadding? could you have been gadding? could they have been gadding?

Interro-negative form

Simple form	V-ing form
couldn't I gad? couldn't you gad? couldn't he gad? couldn't we gad? couldn't you gad? couldn't they gad?	couldn't I be gadding? couldn't you be gadding? couldn't he be gadding? couldn't we be gadding? couldn't you be gadding? couldn't they be gadding?
Perfect	V-ing perfect
couldn't I have gadded? couldn't you have gadded? couldn't he have gadded? couldn't we have gadded? couldn't you have gadded? couldn't they have gadded?	couldn't I have been gadding? couldn't you have been gadding? couldn't he have been gadding? couldn't we have been gadding? couldn't you have been gadding? couldn't they have been gadding?