can affix
Regular verb: affix - affixed- affixed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can affix
you can affix
she can affix
we can affix
you can affix
they can affix 	I can be affixing
you can be affixing
she can be affixing
we can be affixing
you can be affixing
they can be affixing	I can have affixed
you can have affixed
she can have affixed
we can have affixed
you can have affixed
they can have affixed	I can have been affixing
you can have been affixing
she can have been affixing
we can have been affixing
you can have been affixing
they can have been affixing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot affix
you cannot affix
she cannot affix
we cannot affix
you cannot affix
they cannot affix 	I cannot be affixing
you cannot be affixing
she cannot be affixing
we cannot be affixing
you cannot be affixing
they cannot be affixing	I cannot have affixed
you cannot have affixed
she cannot have affixed
we cannot have affixed
you cannot have affixed
they cannot have affixed	I cannot have been affixing
you cannot have been affixing
she cannot have been affixing
we cannot have been affixing
you cannot have been affixing
they cannot have been affixing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I affix?
can you affix?
can she affix?
can we affix?
can you affix?
can they affix? 	can I be affixing?
can you be affixing?
can she be affixing?
can we be affixing?
can you be affixing?
can they be affixing? 	can I have affixed?
can you have affixed?
can she have affixed?
can we have affixed?
can you have affixed?
can they have affixed? 	can I have been affixing?
can you have been affixing?
can she have been affixing?
can we have been affixing?
can you have been affixing?
can they have been affixing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not affix?
can you not affix?
can she not affix?
can we not affix?
can you not affix?
can they not affix? 	can I not be affixing?
can you not be affixing?
can she not be affixing?
can we not be affixing?
can you not be affixing?
can they not be affixing? 	can I not have affixed?
can you not have affixed?
can she not have affixed?
can we not have affixed?
can you not have affixed?
can they not have affixed? 	can I not have been affixing?
can you not have been affixing?
can she not have been affixing?
can we not have been affixing?
can you not have been affixing?
can they not have been affixing?