English verb conjugation COULD DATABASE

Regular verb: database - databased - databased

Affirmation

Simple form

I could database
you could database
she could database
we could database
you could database
they could database

V-ing form

I could be databasing
you could be databasing
she could be databasing
we could be databasing
you could be databasing
they could be databasing

Perfect

I could have databased
you could have databased
she could have databased
we could have databased
you could have databased
they could have databased

V-ing perfect

I could have been databasing
you could have been databasing
she could have been databasing
we could have been databasing
you could have been databasing
they could have been databasing

Negation

Simple form

I could not database
you could not database
she could not database
we could not database
you could not database
they could not database

V-ing form

I could not be databasing
you could not be databasing
she could not be databasing
we could not be databasing
you could not be databasing
they could not be databasing

Perfect

I could not have databased
you could not have databased
she could not have databased
we could not have databased
you could not have databased
they could not have databased

V-ing perfect

I could not have been databasing
you could not have been databasing
she could not have been databasing
we could not have been databasing
you could not have been databasing
they could not have been databasing

Interrogative form

Simple form

could I database?
could you database?
could she database?
could we database?
could you database?
could they database?

V-ing form

could I be databasing?
could you be databasing?
could she be databasing?
could we be databasing?
could you be databasing?
could they be databasing?

Perfect

could I have databased?
could you have databased?
could she have databased?
could we have databased?
could you have databased?
could they have databased?

V-ing perfect

could I have been databasing?
could you have been databasing?
could she have been databasing?
could we have been databasing?
could you have been databasing?
could they have been databasing?

Interro-negative form

Simple form

could I not database?
could you not database?
could she not database?
could we not database?
could you not database?
could they not database?

V-ing form

could I not be databasing?
could you not be databasing?
could she not be databasing?
could we not be databasing?
could you not be databasing?
could they not be databasing?

Perfect

could I not have databased?
could you not have databased?
could she not have databased?
could we not have databased?
could you not have databased?
could they not have databased?

V-ing perfect

could I not have been databasing?
could you not have been databasing?
could she not have been databasing?
could we not have been databasing?
could you not have been databasing?
could they not have been databasing?

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