I can man you can man he can man we can man you can man they can man
V-ing form
I can be manning you can be manning he can be manning we can be manning you can be manning they can be manning
Perfect
I can have manned you can have manned he can have manned we can have manned you can have manned they can have manned
V-ing perfect
I can have been manning you can have been manning he can have been manning we can have been manning you can have been manning they can have been manning
Negation
Simple form
I cannot man you cannot man he cannot man we cannot man you cannot man they cannot man
V-ing form
I cannot be manning you cannot be manning he cannot be manning we cannot be manning you cannot be manning they cannot be manning
Perfect
I cannot have manned you cannot have manned he cannot have manned we cannot have manned you cannot have manned they cannot have manned
V-ing perfect
I cannot have been manning you cannot have been manning he cannot have been manning we cannot have been manning you cannot have been manning they cannot have been manning
Interrogative form
Simple form
can I man? can you man? can he man? can we man? can you man? can they man?
V-ing form
can I be manning? can you be manning? can he be manning? can we be manning? can you be manning? can they be manning?
Perfect
can I have manned? can you have manned? can he have manned? can we have manned? can you have manned? can they have manned?
V-ing perfect
can I have been manning? can you have been manning? can he have been manning? can we have been manning? can you have been manning? can they have been manning?
Interro-negative form
Simple form
can I not man? can you not man? can he not man? can we not man? can you not man? can they not man?
V-ing form
can I not be manning? can you not be manning? can he not be manning? can we not be manning? can you not be manning? can they not be manning?
Perfect
can I not have manned? can you not have manned? can he not have manned? can we not have manned? can you not have manned? can they not have manned?
V-ing perfect
can I not have been manning? can you not have been manning? can he not have been manning? can we not have been manning? can you not have been manning? can they not have been manning?