could minimize
Regular verb: minimize - minimized- minimized

Affirmation 	
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I could minimize
you could minimize
she could minimize
we could minimize
you could minimize
they could minimize 	I could be minimizing
you could be minimizing
she could be minimizing
we could be minimizing
you could be minimizing
they could be minimizing	I could have minimized
you could have minimized
she could have minimized
we could have minimized
you could have minimized
they could have minimized	I could have been minimizing
you could have been minimizing
she could have been minimizing
we could have been minimizing
you could have been minimizing
they could have been minimizing	

Negation 	
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I couldn't minimize
you couldn't minimize
she couldn't minimize
we couldn't minimize
you couldn't minimize
they couldn't minimize 	I couldn't be minimizing
you couldn't be minimizing
she couldn't be minimizing
we couldn't be minimizing
you couldn't be minimizing
they couldn't be minimizing	I couldn't have minimized
you couldn't have minimized
she couldn't have minimized
we couldn't have minimized
you couldn't have minimized
they couldn't have minimized	I couldn't have been minimizing
you couldn't have been minimizing
she couldn't have been minimizing
we couldn't have been minimizing
you couldn't have been minimizing
they couldn't have been minimizing	

Interrogative form 	
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could I minimize?
could you minimize?
could she minimize?
could we minimize?
could you minimize?
could they minimize? 	could I be minimizing?
could you be minimizing?
could she be minimizing?
could we be minimizing?
could you be minimizing?
could they be minimizing? 	could I have minimized?
could you have minimized?
could she have minimized?
could we have minimized?
could you have minimized?
could they have minimized? 	could I have been minimizing?
could you have been minimizing?
could she have been minimizing?
could we have been minimizing?
could you have been minimizing?
could they have been minimizing? 	

Interro-negative form 	
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couldn't I minimize?
couldn't you minimize?
couldn't she minimize?
couldn't we minimize?
couldn't you minimize?
couldn't they minimize? 	couldn't I be minimizing?
couldn't you be minimizing?
couldn't she be minimizing?
couldn't we be minimizing?
couldn't you be minimizing?
couldn't they be minimizing? 	couldn't I have minimized?
couldn't you have minimized?
couldn't she have minimized?
couldn't we have minimized?
couldn't you have minimized?
couldn't they have minimized? 	couldn't I have been minimizing?
couldn't you have been minimizing?
couldn't she have been minimizing?
couldn't we have been minimizing?
couldn't you have been minimizing?
couldn't they have been minimizing?