could arabize
Regular verb: arabize - arabized- arabized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could arabize
you could arabize
he could arabize
we could arabize
you could arabize
they could arabize 	I could be arabizing
you could be arabizing
he could be arabizing
we could be arabizing
you could be arabizing
they could be arabizing	I could have arabized
you could have arabized
he could have arabized
we could have arabized
you could have arabized
they could have arabized	I could have been arabizing
you could have been arabizing
he could have been arabizing
we could have been arabizing
you could have been arabizing
they could have been arabizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't arabize
you couldn't arabize
he couldn't arabize
we couldn't arabize
you couldn't arabize
they couldn't arabize 	I couldn't be arabizing
you couldn't be arabizing
he couldn't be arabizing
we couldn't be arabizing
you couldn't be arabizing
they couldn't be arabizing	I couldn't have arabized
you couldn't have arabized
he couldn't have arabized
we couldn't have arabized
you couldn't have arabized
they couldn't have arabized	I couldn't have been arabizing
you couldn't have been arabizing
he couldn't have been arabizing
we couldn't have been arabizing
you couldn't have been arabizing
they couldn't have been arabizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I arabize?
could you arabize?
could he arabize?
could we arabize?
could you arabize?
could they arabize? 	could I be arabizing?
could you be arabizing?
could he be arabizing?
could we be arabizing?
could you be arabizing?
could they be arabizing? 	could I have arabized?
could you have arabized?
could he have arabized?
could we have arabized?
could you have arabized?
could they have arabized? 	could I have been arabizing?
could you have been arabizing?
could he have been arabizing?
could we have been arabizing?
could you have been arabizing?
could they have been arabizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I arabize?
couldn't you arabize?
couldn't he arabize?
couldn't we arabize?
couldn't you arabize?
couldn't they arabize? 	couldn't I be arabizing?
couldn't you be arabizing?
couldn't he be arabizing?
couldn't we be arabizing?
couldn't you be arabizing?
couldn't they be arabizing? 	couldn't I have arabized?
couldn't you have arabized?
couldn't he have arabized?
couldn't we have arabized?
couldn't you have arabized?
couldn't they have arabized? 	couldn't I have been arabizing?
couldn't you have been arabizing?
couldn't he have been arabizing?
couldn't we have been arabizing?
couldn't you have been arabizing?
couldn't they have been arabizing?