can apologize
Regular verb: apologize - apologized- apologized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can apologize
you can apologize
she can apologize
we can apologize
you can apologize
they can apologize 	I can be apologizing
you can be apologizing
she can be apologizing
we can be apologizing
you can be apologizing
they can be apologizing	I can have apologized
you can have apologized
she can have apologized
we can have apologized
you can have apologized
they can have apologized	I can have been apologizing
you can have been apologizing
she can have been apologizing
we can have been apologizing
you can have been apologizing
they can have been apologizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't apologize
you can't apologize
she can't apologize
we can't apologize
you can't apologize
they can't apologize 	I can't be apologizing
you can't be apologizing
she can't be apologizing
we can't be apologizing
you can't be apologizing
they can't be apologizing	I can't have apologized
you can't have apologized
she can't have apologized
we can't have apologized
you can't have apologized
they can't have apologized	I can't have been apologizing
you can't have been apologizing
she can't have been apologizing
we can't have been apologizing
you can't have been apologizing
they can't have been apologizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I apologize?
can you apologize?
can she apologize?
can we apologize?
can you apologize?
can they apologize? 	can I be apologizing?
can you be apologizing?
can she be apologizing?
can we be apologizing?
can you be apologizing?
can they be apologizing? 	can I have apologized?
can you have apologized?
can she have apologized?
can we have apologized?
can you have apologized?
can they have apologized? 	can I have been apologizing?
can you have been apologizing?
can she have been apologizing?
can we have been apologizing?
can you have been apologizing?
can they have been apologizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I apologize?
can't you apologize?
can't she apologize?
can't we apologize?
can't you apologize?
can't they apologize? 	can't I be apologizing?
can't you be apologizing?
can't she be apologizing?
can't we be apologizing?
can't you be apologizing?
can't they be apologizing? 	can't I have apologized?
can't you have apologized?
can't she have apologized?
can't we have apologized?
can't you have apologized?
can't they have apologized? 	can't I have been apologizing?
can't you have been apologizing?
can't she have been apologizing?
can't we have been apologizing?
can't you have been apologizing?
can't they have been apologizing?