I can adduce you can adduce she can adduce we can adduce you can adduce they can adduce
V-ing form
I can be adducing you can be adducing she can be adducing we can be adducing you can be adducing they can be adducing
Perfect
I can have adduced you can have adduced she can have adduced we can have adduced you can have adduced they can have adduced
V-ing perfect
I can have been adducing you can have been adducing she can have been adducing we can have been adducing you can have been adducing they can have been adducing
Negation
Simple form
I can't adduce you can't adduce she can't adduce we can't adduce you can't adduce they can't adduce
V-ing form
I can't be adducing you can't be adducing she can't be adducing we can't be adducing you can't be adducing they can't be adducing
Perfect
I can't have adduced you can't have adduced she can't have adduced we can't have adduced you can't have adduced they can't have adduced
V-ing perfect
I can't have been adducing you can't have been adducing she can't have been adducing we can't have been adducing you can't have been adducing they can't have been adducing
Interrogative form
Simple form
can I adduce? can you adduce? can she adduce? can we adduce? can you adduce? can they adduce?
V-ing form
can I be adducing? can you be adducing? can she be adducing? can we be adducing? can you be adducing? can they be adducing?
Perfect
can I have adduced? can you have adduced? can she have adduced? can we have adduced? can you have adduced? can they have adduced?
V-ing perfect
can I have been adducing? can you have been adducing? can she have been adducing? can we have been adducing? can you have been adducing? can they have been adducing?
Interro-negative form
Simple form
can't I adduce? can't you adduce? can't she adduce? can't we adduce? can't you adduce? can't they adduce?
V-ing form
can't I be adducing? can't you be adducing? can't she be adducing? can't we be adducing? can't you be adducing? can't they be adducing?
Perfect
can't I have adduced? can't you have adduced? can't she have adduced? can't we have adduced? can't you have adduced? can't they have adduced?
V-ing perfect
can't I have been adducing? can't you have been adducing? can't she have been adducing? can't we have been adducing? can't you have been adducing? can't they have been adducing?