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 could not man you could not man he could not man we could not man you could not man they could not man	I could not be manning you could not be manning he could not be manning we could not be manning you could not be manning they could not be manning
Perfect	V-ing perfect
I could not have manned you could not have manned he could not have manned we could not have manned you could not have manned they could not have manned	I could not have been manning you could not have been manning he could not have been manning we could not have been manning you could not have been manning they could not 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
could I not man? could you not man? could he not man? could we not man? could you not man? could they not man?	could I not be manning? could you not be manning? could he not be manning? could we not be manning? could you not be manning? could they not be manning?
Perfect	V-ing perfect
could I not have manned? could you not have manned? could he not have manned? could we not have manned? could you not have manned? could they not have manned?	could I not have been manning? could you not have been manning? could he not have been manning? could we not have been manning? could you not have been manning? could they not have been manning?