could disgrace
Regular verb: disgrace - disgraced- disgraced

Affirmation 	
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I could disgrace
you could disgrace
he could disgrace
we could disgrace
you could disgrace
they could disgrace 	I could be disgracing
you could be disgracing
he could be disgracing
we could be disgracing
you could be disgracing
they could be disgracing	I could have disgraced
you could have disgraced
he could have disgraced
we could have disgraced
you could have disgraced
they could have disgraced	I could have been disgracing
you could have been disgracing
he could have been disgracing
we could have been disgracing
you could have been disgracing
they could have been disgracing	

Negation 	
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I could not disgrace
you could not disgrace
he could not disgrace
we could not disgrace
you could not disgrace
they could not disgrace 	I could not be disgracing
you could not be disgracing
he could not be disgracing
we could not be disgracing
you could not be disgracing
they could not be disgracing	I could not have disgraced
you could not have disgraced
he could not have disgraced
we could not have disgraced
you could not have disgraced
they could not have disgraced	I could not have been disgracing
you could not have been disgracing
he could not have been disgracing
we could not have been disgracing
you could not have been disgracing
they could not have been disgracing	

Interrogative form 	
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could I disgrace?
could you disgrace?
could he disgrace?
could we disgrace?
could you disgrace?
could they disgrace? 	could I be disgracing?
could you be disgracing?
could he be disgracing?
could we be disgracing?
could you be disgracing?
could they be disgracing? 	could I have disgraced?
could you have disgraced?
could he have disgraced?
could we have disgraced?
could you have disgraced?
could they have disgraced? 	could I have been disgracing?
could you have been disgracing?
could he have been disgracing?
could we have been disgracing?
could you have been disgracing?
could they have been disgracing? 	

Interro-negative form 	
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could I not disgrace?
could you not disgrace?
could he not disgrace?
could we not disgrace?
could you not disgrace?
could they not disgrace? 	could I not be disgracing?
could you not be disgracing?
could he not be disgracing?
could we not be disgracing?
could you not be disgracing?
could they not be disgracing? 	could I not have disgraced?
could you not have disgraced?
could he not have disgraced?
could we not have disgraced?
could you not have disgraced?
could they not have disgraced? 	could I not have been disgracing?
could you not have been disgracing?
could he not have been disgracing?
could we not have been disgracing?
could you not have been disgracing?
could they not have been disgracing?