English verb conjugation
COULD MAN

Regular verb: man - manned - manned

Affirmation

Simple form	V-ing form
I could man you could man he could man we could man you could man they could man	I could be manning you could be manning he could be manning we could be manning you could be manning they could be manning
Perfect	V-ing perfect
I could have manned you could have manned he could have manned we could have manned you could have manned they could have manned	I could have been manning you could have been manning he could have been manning we could have been manning you could have been manning they could have been manning

Negation

Simple form	V-ing form
I couldn't man you couldn't man he couldn't man we couldn't man you couldn't man they couldn't man	I couldn't be manning you couldn't be manning he couldn't be manning we couldn't be manning you couldn't be manning they couldn't be manning
Perfect	V-ing perfect
I couldn't have manned you couldn't have manned he couldn't have manned we couldn't have manned you couldn't have manned they couldn't have manned	I couldn't have been manning you couldn't have been manning he couldn't have been manning we couldn't have been manning you couldn't have been manning they couldn't have been manning

Interrogative form

Simple form	V-ing form
could I man? could you man? could he man? could we man? could you man? could they man?	could I be manning? could you be manning? could he be manning? could we be manning? could you be manning? could they be manning?
Perfect	V-ing perfect
could I have manned? could you have manned? could he have manned? could we have manned? could you have manned? could they have manned?	could I have been manning? could you have been manning? could he have been manning? could we have been manning? could you have been manning? could they have been manning?

Interro-negative form

Simple form	V-ing form
couldn't I man? couldn't you man? couldn't he man? couldn't we man? couldn't you man? couldn't they man?	couldn't I be manning? couldn't you be manning? couldn't he be manning? couldn't we be manning? couldn't you be manning? couldn't they be manning?
Perfect	V-ing perfect
couldn't I have manned? couldn't you have manned? couldn't he have manned? couldn't we have manned? couldn't you have manned? couldn't they have manned?	couldn't I have been manning? couldn't you have been manning? couldn't he have been manning? couldn't we have been manning? couldn't you have been manning? couldn't they have been manning?