could polarize
Regular verb: polarize - polarized- polarized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could polarize
you could polarize
he could polarize
we could polarize
you could polarize
they could polarize 	I could be polarizing
you could be polarizing
he could be polarizing
we could be polarizing
you could be polarizing
they could be polarizing	I could have polarized
you could have polarized
he could have polarized
we could have polarized
you could have polarized
they could have polarized	I could have been polarizing
you could have been polarizing
he could have been polarizing
we could have been polarizing
you could have been polarizing
they could have been polarizing	

Negation 	
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I couldn't polarize
you couldn't polarize
he couldn't polarize
we couldn't polarize
you couldn't polarize
they couldn't polarize 	I couldn't be polarizing
you couldn't be polarizing
he couldn't be polarizing
we couldn't be polarizing
you couldn't be polarizing
they couldn't be polarizing	I couldn't have polarized
you couldn't have polarized
he couldn't have polarized
we couldn't have polarized
you couldn't have polarized
they couldn't have polarized	I couldn't have been polarizing
you couldn't have been polarizing
he couldn't have been polarizing
we couldn't have been polarizing
you couldn't have been polarizing
they couldn't have been polarizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I polarize?
could you polarize?
could he polarize?
could we polarize?
could you polarize?
could they polarize? 	could I be polarizing?
could you be polarizing?
could he be polarizing?
could we be polarizing?
could you be polarizing?
could they be polarizing? 	could I have polarized?
could you have polarized?
could he have polarized?
could we have polarized?
could you have polarized?
could they have polarized? 	could I have been polarizing?
could you have been polarizing?
could he have been polarizing?
could we have been polarizing?
could you have been polarizing?
could they have been polarizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I polarize?
couldn't you polarize?
couldn't he polarize?
couldn't we polarize?
couldn't you polarize?
couldn't they polarize? 	couldn't I be polarizing?
couldn't you be polarizing?
couldn't he be polarizing?
couldn't we be polarizing?
couldn't you be polarizing?
couldn't they be polarizing? 	couldn't I have polarized?
couldn't you have polarized?
couldn't he have polarized?
couldn't we have polarized?
couldn't you have polarized?
couldn't they have polarized? 	couldn't I have been polarizing?
couldn't you have been polarizing?
couldn't he have been polarizing?
couldn't we have been polarizing?
couldn't you have been polarizing?
couldn't they have been polarizing?