could abolish
Regular verb: abolish - abolished- abolished

Affirmation 	
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I could abolish
you could abolish
he could abolish
we could abolish
you could abolish
they could abolish 	I could be abolishing
you could be abolishing
he could be abolishing
we could be abolishing
you could be abolishing
they could be abolishing	I could have abolished
you could have abolished
he could have abolished
we could have abolished
you could have abolished
they could have abolished	I could have been abolishing
you could have been abolishing
he could have been abolishing
we could have been abolishing
you could have been abolishing
they could have been abolishing	

Negation 	
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I couldn't abolish
you couldn't abolish
he couldn't abolish
we couldn't abolish
you couldn't abolish
they couldn't abolish 	I couldn't be abolishing
you couldn't be abolishing
he couldn't be abolishing
we couldn't be abolishing
you couldn't be abolishing
they couldn't be abolishing	I couldn't have abolished
you couldn't have abolished
he couldn't have abolished
we couldn't have abolished
you couldn't have abolished
they couldn't have abolished	I couldn't have been abolishing
you couldn't have been abolishing
he couldn't have been abolishing
we couldn't have been abolishing
you couldn't have been abolishing
they couldn't have been abolishing	

Interrogative form 	
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could I abolish?
could you abolish?
could he abolish?
could we abolish?
could you abolish?
could they abolish? 	could I be abolishing?
could you be abolishing?
could he be abolishing?
could we be abolishing?
could you be abolishing?
could they be abolishing? 	could I have abolished?
could you have abolished?
could he have abolished?
could we have abolished?
could you have abolished?
could they have abolished? 	could I have been abolishing?
could you have been abolishing?
could he have been abolishing?
could we have been abolishing?
could you have been abolishing?
could they have been abolishing? 	

Interro-negative form 	
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couldn't I abolish?
couldn't you abolish?
couldn't he abolish?
couldn't we abolish?
couldn't you abolish?
couldn't they abolish? 	couldn't I be abolishing?
couldn't you be abolishing?
couldn't he be abolishing?
couldn't we be abolishing?
couldn't you be abolishing?
couldn't they be abolishing? 	couldn't I have abolished?
couldn't you have abolished?
couldn't he have abolished?
couldn't we have abolished?
couldn't you have abolished?
couldn't they have abolished? 	couldn't I have been abolishing?
couldn't you have been abolishing?
couldn't he have been abolishing?
couldn't we have been abolishing?
couldn't you have been abolishing?
couldn't they have been abolishing?