could prerequest
Regular verb: prerequest - prerequested- prerequested

Affirmation 	
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I could prerequest
you could prerequest
he could prerequest
we could prerequest
you could prerequest
they could prerequest 	I could be prerequesting
you could be prerequesting
he could be prerequesting
we could be prerequesting
you could be prerequesting
they could be prerequesting	I could have prerequested
you could have prerequested
he could have prerequested
we could have prerequested
you could have prerequested
they could have prerequested	I could have been prerequesting
you could have been prerequesting
he could have been prerequesting
we could have been prerequesting
you could have been prerequesting
they could have been prerequesting	

Negation 	
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I couldn't prerequest
you couldn't prerequest
he couldn't prerequest
we couldn't prerequest
you couldn't prerequest
they couldn't prerequest 	I couldn't be prerequesting
you couldn't be prerequesting
he couldn't be prerequesting
we couldn't be prerequesting
you couldn't be prerequesting
they couldn't be prerequesting	I couldn't have prerequested
you couldn't have prerequested
he couldn't have prerequested
we couldn't have prerequested
you couldn't have prerequested
they couldn't have prerequested	I couldn't have been prerequesting
you couldn't have been prerequesting
he couldn't have been prerequesting
we couldn't have been prerequesting
you couldn't have been prerequesting
they couldn't have been prerequesting	

Interrogative form 	
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could I prerequest?
could you prerequest?
could he prerequest?
could we prerequest?
could you prerequest?
could they prerequest? 	could I be prerequesting?
could you be prerequesting?
could he be prerequesting?
could we be prerequesting?
could you be prerequesting?
could they be prerequesting? 	could I have prerequested?
could you have prerequested?
could he have prerequested?
could we have prerequested?
could you have prerequested?
could they have prerequested? 	could I have been prerequesting?
could you have been prerequesting?
could he have been prerequesting?
could we have been prerequesting?
could you have been prerequesting?
could they have been prerequesting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I prerequest?
couldn't you prerequest?
couldn't he prerequest?
couldn't we prerequest?
couldn't you prerequest?
couldn't they prerequest? 	couldn't I be prerequesting?
couldn't you be prerequesting?
couldn't he be prerequesting?
couldn't we be prerequesting?
couldn't you be prerequesting?
couldn't they be prerequesting? 	couldn't I have prerequested?
couldn't you have prerequested?
couldn't he have prerequested?
couldn't we have prerequested?
couldn't you have prerequested?
couldn't they have prerequested? 	couldn't I have been prerequesting?
couldn't you have been prerequesting?
couldn't he have been prerequesting?
couldn't we have been prerequesting?
couldn't you have been prerequesting?
couldn't they have been prerequesting?