could preclude
Regular verb: preclude - precluded- precluded

Affirmation 	
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I could preclude
you could preclude
she could preclude
we could preclude
you could preclude
they could preclude 	I could be precluding
you could be precluding
she could be precluding
we could be precluding
you could be precluding
they could be precluding	I could have precluded
you could have precluded
she could have precluded
we could have precluded
you could have precluded
they could have precluded	I could have been precluding
you could have been precluding
she could have been precluding
we could have been precluding
you could have been precluding
they could have been precluding	

Negation 	
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I could not preclude
you could not preclude
she could not preclude
we could not preclude
you could not preclude
they could not preclude 	I could not be precluding
you could not be precluding
she could not be precluding
we could not be precluding
you could not be precluding
they could not be precluding	I could not have precluded
you could not have precluded
she could not have precluded
we could not have precluded
you could not have precluded
they could not have precluded	I could not have been precluding
you could not have been precluding
she could not have been precluding
we could not have been precluding
you could not have been precluding
they could not have been precluding	

Interrogative form 	
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could I preclude?
could you preclude?
could she preclude?
could we preclude?
could you preclude?
could they preclude? 	could I be precluding?
could you be precluding?
could she be precluding?
could we be precluding?
could you be precluding?
could they be precluding? 	could I have precluded?
could you have precluded?
could she have precluded?
could we have precluded?
could you have precluded?
could they have precluded? 	could I have been precluding?
could you have been precluding?
could she have been precluding?
could we have been precluding?
could you have been precluding?
could they have been precluding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not preclude?
could you not preclude?
could she not preclude?
could we not preclude?
could you not preclude?
could they not preclude? 	could I not be precluding?
could you not be precluding?
could she not be precluding?
could we not be precluding?
could you not be precluding?
could they not be precluding? 	could I not have precluded?
could you not have precluded?
could she not have precluded?
could we not have precluded?
could you not have precluded?
could they not have precluded? 	could I not have been precluding?
could you not have been precluding?
could she not have been precluding?
could we not have been precluding?
could you not have been precluding?
could they not have been precluding?