I can adduct you can adduct he can adduct we can adduct you can adduct they can adduct
V-ing form
I can be adducting you can be adducting he can be adducting we can be adducting you can be adducting they can be adducting
Perfect
I can have adducted you can have adducted he 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 he can have been adducting we can have been adducting you can have been adducting they can have been adducting
Negation
Simple form
I cannot adduct you cannot adduct he cannot adduct we cannot adduct you cannot adduct they cannot adduct
V-ing form
I cannot be adducting you cannot be adducting he cannot be adducting we cannot be adducting you cannot be adducting they cannot be adducting
Perfect
I cannot have adducted you cannot have adducted he cannot have adducted we cannot have adducted you cannot have adducted they cannot have adducted
V-ing perfect
I cannot have been adducting you cannot have been adducting he cannot have been adducting we cannot have been adducting you cannot have been adducting they cannot have been adducting
Interrogative form
Simple form
can I adduct? can you adduct? can he adduct? can we adduct? can you adduct? can they adduct?
V-ing form
can I be adducting? can you be adducting? can he be adducting? can we be adducting? can you be adducting? can they be adducting?
Perfect
can I have adducted? can you have adducted? can he 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 he have been adducting? can we have been adducting? can you have been adducting? can they have been adducting?
Interro-negative form
Simple form
can I not adduct? can you not adduct? can he not adduct? can we not adduct? can you not adduct? can they not adduct?
V-ing form
can I not be adducting? can you not be adducting? can he not be adducting? can we not be adducting? can you not be adducting? can they not be adducting?
Perfect
can I not have adducted? can you not have adducted? can he not have adducted? can we not have adducted? can you not have adducted? can they not have adducted?
V-ing perfect
can I not have been adducting? can you not have been adducting? can he not have been adducting? can we not have been adducting? can you not have been adducting? can they not have been adducting?