can adduce
Regular verb: adduce - adduced- adduced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can adduce
you can adduce
she can adduce
we can adduce
you can adduce
they can adduce 	I can be adducing
you can be adducing
she can be adducing
we can be adducing
you can be adducing
they can be adducing	I can have adduced
you can have adduced
she can have adduced
we can have adduced
you can have adduced
they can have adduced	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 	V-ing form 	Perfect 	V-ing perfect 	
I can't adduce
you can't adduce
she can't adduce
we can't adduce
you can't adduce
they can't adduce 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
can I adduce?
can you adduce?
can she adduce?
can we adduce?
can you adduce?
can they adduce? 	can I be adducing?
can you be adducing?
can she be adducing?
can we be adducing?
can you be adducing?
can they be adducing? 	can I have adduced?
can you have adduced?
can she have adduced?
can we have adduced?
can you have adduced?
can they have adduced? 	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 	V-ing form 	Perfect 	V-ing perfect 	
can't I adduce?
can't you adduce?
can't she adduce?
can't we adduce?
can't you adduce?
can't they adduce? 	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? 	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? 	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?