could banish
Regular verb: banish - banished- banished

Affirmation 	
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I could banish
you could banish
he could banish
we could banish
you could banish
they could banish 	I could be banishing
you could be banishing
he could be banishing
we could be banishing
you could be banishing
they could be banishing	I could have banished
you could have banished
he could have banished
we could have banished
you could have banished
they could have banished	I could have been banishing
you could have been banishing
he could have been banishing
we could have been banishing
you could have been banishing
they could have been banishing	

Negation 	
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I could not banish
you could not banish
he could not banish
we could not banish
you could not banish
they could not banish 	I could not be banishing
you could not be banishing
he could not be banishing
we could not be banishing
you could not be banishing
they could not be banishing	I could not have banished
you could not have banished
he could not have banished
we could not have banished
you could not have banished
they could not have banished	I could not have been banishing
you could not have been banishing
he could not have been banishing
we could not have been banishing
you could not have been banishing
they could not have been banishing	

Interrogative form 	
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could I banish?
could you banish?
could he banish?
could we banish?
could you banish?
could they banish? 	could I be banishing?
could you be banishing?
could he be banishing?
could we be banishing?
could you be banishing?
could they be banishing? 	could I have banished?
could you have banished?
could he have banished?
could we have banished?
could you have banished?
could they have banished? 	could I have been banishing?
could you have been banishing?
could he have been banishing?
could we have been banishing?
could you have been banishing?
could they have been banishing? 	

Interro-negative form 	
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could I not banish?
could you not banish?
could he not banish?
could we not banish?
could you not banish?
could they not banish? 	could I not be banishing?
could you not be banishing?
could he not be banishing?
could we not be banishing?
could you not be banishing?
could they not be banishing? 	could I not have banished?
could you not have banished?
could he not have banished?
could we not have banished?
could you not have banished?
could they not have banished? 	could I not have been banishing?
could you not have been banishing?
could he not have been banishing?
could we not have been banishing?
could you not have been banishing?
could they not have been banishing?