English verb conjugation
COULD RESTUFF

Regular verb: restuff - restuffed - restuffed

Affirmation

Simple form	V-ing form
I could restuff you could restuff she could restuff we could restuff you could restuff they could restuff	I could be restuffing you could be restuffing she could be restuffing we could be restuffing you could be restuffing they could be restuffing
Perfect	V-ing perfect
I could have restuffed you could have restuffed she could have restuffed we could have restuffed you could have restuffed they could have restuffed	I could have been restuffing you could have been restuffing she could have been restuffing we could have been restuffing you could have been restuffing they could have been restuffing

Negation

Simple form	V-ing form
I couldn't restuff you couldn't restuff she couldn't restuff we couldn't restuff you couldn't restuff they couldn't restuff	I couldn't be restuffing you couldn't be restuffing she couldn't be restuffing we couldn't be restuffing you couldn't be restuffing they couldn't be restuffing
Perfect	V-ing perfect
I couldn't have restuffed you couldn't have restuffed she couldn't have restuffed we couldn't have restuffed you couldn't have restuffed they couldn't have restuffed	I couldn't have been restuffing you couldn't have been restuffing she couldn't have been restuffing we couldn't have been restuffing you couldn't have been restuffing they couldn't have been restuffing

Interrogative form

Simple form	V-ing form
could I restuff? could you restuff? could she restuff? could we restuff? could you restuff? could they restuff?	could I be restuffing? could you be restuffing? could she be restuffing? could we be restuffing? could you be restuffing? could they be restuffing?
Perfect	V-ing perfect
could I have restuffed? could you have restuffed? could she have restuffed? could we have restuffed? could you have restuffed? could they have restuffed?	could I have been restuffing? could you have been restuffing? could she have been restuffing? could we have been restuffing? could you have been restuffing? could they have been restuffing?

Interro-negative form

Simple form	V-ing form
couldn't I restuff? couldn't you restuff? couldn't she restuff? couldn't we restuff? couldn't you restuff? couldn't they restuff?	couldn't I be restuffing? couldn't you be restuffing? couldn't she be restuffing? couldn't we be restuffing? couldn't you be restuffing? couldn't they be restuffing?
Perfect	V-ing perfect
couldn't I have restuffed? couldn't you have restuffed? couldn't she have restuffed? couldn't we have restuffed? couldn't you have restuffed? couldn't they have restuffed?	couldn't I have been restuffing? couldn't you have been restuffing? couldn't she have been restuffing? couldn't we have been restuffing? couldn't you have been restuffing? couldn't they have been restuffing?