can affirm
Regular verb: affirm - affirmed- affirmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can affirm
you can affirm
he can affirm
we can affirm
you can affirm
they can affirm 	I can be affirming
you can be affirming
he can be affirming
we can be affirming
you can be affirming
they can be affirming	I can have affirmed
you can have affirmed
he can have affirmed
we can have affirmed
you can have affirmed
they can have affirmed	I can have been affirming
you can have been affirming
he can have been affirming
we can have been affirming
you can have been affirming
they can have been affirming	

Negation 	
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I cannot affirm
you cannot affirm
he cannot affirm
we cannot affirm
you cannot affirm
they cannot affirm 	I cannot be affirming
you cannot be affirming
he cannot be affirming
we cannot be affirming
you cannot be affirming
they cannot be affirming	I cannot have affirmed
you cannot have affirmed
he cannot have affirmed
we cannot have affirmed
you cannot have affirmed
they cannot have affirmed	I cannot have been affirming
you cannot have been affirming
he cannot have been affirming
we cannot have been affirming
you cannot have been affirming
they cannot have been affirming	

Interrogative form 	
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can I affirm?
can you affirm?
can he affirm?
can we affirm?
can you affirm?
can they affirm? 	can I be affirming?
can you be affirming?
can he be affirming?
can we be affirming?
can you be affirming?
can they be affirming? 	can I have affirmed?
can you have affirmed?
can he have affirmed?
can we have affirmed?
can you have affirmed?
can they have affirmed? 	can I have been affirming?
can you have been affirming?
can he have been affirming?
can we have been affirming?
can you have been affirming?
can they have been affirming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not affirm?
can you not affirm?
can he not affirm?
can we not affirm?
can you not affirm?
can they not affirm? 	can I not be affirming?
can you not be affirming?
can he not be affirming?
can we not be affirming?
can you not be affirming?
can they not be affirming? 	can I not have affirmed?
can you not have affirmed?
can he not have affirmed?
can we not have affirmed?
can you not have affirmed?
can they not have affirmed? 	can I not have been affirming?
can you not have been affirming?
can he not have been affirming?
can we not have been affirming?
can you not have been affirming?
can they not have been affirming?