I can adduct you can adduct she can adduct we can adduct you can adduct they can adduct
V-ing form
I can be adducting you can be adducting she can be adducting we can be adducting you can be adducting they can be adducting
Perfect
I can have adducted you can have adducted she can have adducted we can have adducted you can have adducted they can have adducted
V-ing perfect
I can have been adducting you can have been adducting she can have been adducting we can have been adducting you can have been adducting they can have been adducting
Negation
Simple form
I can't adduct you can't adduct she can't adduct we can't adduct you can't adduct they can't adduct
V-ing form
I can't be adducting you can't be adducting she can't be adducting we can't be adducting you can't be adducting they can't be adducting
Perfect
I can't have adducted you can't have adducted she can't have adducted we can't have adducted you can't have adducted they can't have adducted
V-ing perfect
I can't have been adducting you can't have been adducting she can't have been adducting we can't have been adducting you can't have been adducting they can't have been adducting
Interrogative form
Simple form
can I adduct? can you adduct? can she adduct? can we adduct? can you adduct? can they adduct?
V-ing form
can I be adducting? can you be adducting? can she be adducting? can we be adducting? can you be adducting? can they be adducting?
Perfect
can I have adducted? can you have adducted? can she have adducted? can we have adducted? can you have adducted? can they have adducted?
V-ing perfect
can I have been adducting? can you have been adducting? can she have been adducting? can we have been adducting? can you have been adducting? can they have been adducting?
Interro-negative form
Simple form
can't I adduct? can't you adduct? can't she adduct? can't we adduct? can't you adduct? can't they adduct?
V-ing form
can't I be adducting? can't you be adducting? can't she be adducting? can't we be adducting? can't you be adducting? can't they be adducting?
Perfect
can't I have adducted? can't you have adducted? can't she have adducted? can't we have adducted? can't you have adducted? can't they have adducted?
V-ing perfect
can't I have been adducting? can't you have been adducting? can't she have been adducting? can't we have been adducting? can't you have been adducting? can't they have been adducting?