English verb conjugation
COULD BANISH

Regular verb: banish - banished - banished

Affirmation

Simple form	V-ing form
I could banish you could banish she could banish we could banish you could banish they could banish	I could be banishing you could be banishing she could be banishing we could be banishing you could be banishing they could be banishing
Perfect	V-ing perfect
I could have banished you could have banished she 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 she could have been banishing we could have been banishing you could have been banishing they could have been banishing

Negation

Simple form	V-ing form
I could not banish you could not banish she 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 she could not be banishing we could not be banishing you could not be banishing they could not be banishing
Perfect	V-ing perfect
I could not have banished you could not have banished she 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 she 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

Simple form	V-ing form
could I banish? could you banish? could she banish? could we banish? could you banish? could they banish?	could I be banishing? could you be banishing? could she be banishing? could we be banishing? could you be banishing? could they be banishing?
Perfect	V-ing perfect
could I have banished? could you have banished? could she 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 she have been banishing? could we have been banishing? could you have been banishing? could they have been banishing?

Interro-negative form

Simple form	V-ing form
could I not banish? could you not banish? could she 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 she not be banishing? could we not be banishing? could you not be banishing? could they not be banishing?
Perfect	V-ing perfect
could I not have banished? could you not have banished? could she 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 she not have been banishing? could we not have been banishing? could you not have been banishing? could they not have been banishing?