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 could not arabize
you could not arabize
he could not arabize
we could not arabize
you could not arabize
they could not arabize 	I could not be arabizing
you could not be arabizing
he could not be arabizing
we could not be arabizing
you could not be arabizing
they could not be arabizing	I could not have arabized
you could not have arabized
he could not have arabized
we could not have arabized
you could not have arabized
they could not have arabized	I could not have been arabizing
you could not have been arabizing
he could not have been arabizing
we could not have been arabizing
you could not have been arabizing
they could not 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 	
could I not arabize?
could you not arabize?
could he not arabize?
could we not arabize?
could you not arabize?
could they not arabize? 	could I not be arabizing?
could you not be arabizing?
could he not be arabizing?
could we not be arabizing?
could you not be arabizing?
could they not be arabizing? 	could I not have arabized?
could you not have arabized?
could he not have arabized?
could we not have arabized?
could you not have arabized?
could they not have arabized? 	could I not have been arabizing?
could you not have been arabizing?
could he not have been arabizing?
could we not have been arabizing?
could you not have been arabizing?
could they not have been arabizing?