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