English verb conjugation
COULD RESTAFF

Regular verb: restaff - restaffed - restaffed

Affirmation

Simple form	V-ing form
I could restaff you could restaff she could restaff we could restaff you could restaff they could restaff	I could be restaffing you could be restaffing she could be restaffing we could be restaffing you could be restaffing they could be restaffing
Perfect	V-ing perfect
I could have restaffed you could have restaffed she could have restaffed we could have restaffed you could have restaffed they could have restaffed	I could have been restaffing you could have been restaffing she could have been restaffing we could have been restaffing you could have been restaffing they could have been restaffing

Negation

Simple form	V-ing form
I couldn't restaff you couldn't restaff she couldn't restaff we couldn't restaff you couldn't restaff they couldn't restaff	I couldn't be restaffing you couldn't be restaffing she couldn't be restaffing we couldn't be restaffing you couldn't be restaffing they couldn't be restaffing
Perfect	V-ing perfect
I couldn't have restaffed you couldn't have restaffed she couldn't have restaffed we couldn't have restaffed you couldn't have restaffed they couldn't have restaffed	I couldn't have been restaffing you couldn't have been restaffing she couldn't have been restaffing we couldn't have been restaffing you couldn't have been restaffing they couldn't have been restaffing

Interrogative form

Simple form	V-ing form
could I restaff? could you restaff? could she restaff? could we restaff? could you restaff? could they restaff?	could I be restaffing? could you be restaffing? could she be restaffing? could we be restaffing? could you be restaffing? could they be restaffing?
Perfect	V-ing perfect
could I have restaffed? could you have restaffed? could she have restaffed? could we have restaffed? could you have restaffed? could they have restaffed?	could I have been restaffing? could you have been restaffing? could she have been restaffing? could we have been restaffing? could you have been restaffing? could they have been restaffing?

Interro-negative form

Simple form	V-ing form
couldn't I restaff? couldn't you restaff? couldn't she restaff? couldn't we restaff? couldn't you restaff? couldn't they restaff?	couldn't I be restaffing? couldn't you be restaffing? couldn't she be restaffing? couldn't we be restaffing? couldn't you be restaffing? couldn't they be restaffing?
Perfect	V-ing perfect
couldn't I have restaffed? couldn't you have restaffed? couldn't she have restaffed? couldn't we have restaffed? couldn't you have restaffed? couldn't they have restaffed?	couldn't I have been restaffing? couldn't you have been restaffing? couldn't she have been restaffing? couldn't we have been restaffing? couldn't you have been restaffing? couldn't they have been restaffing?