English verb conjugation COULD DATABASE

Regular verb: database - databased - databased

Affirmation

Simple form

I could database
you could database
he could database
we could database
you could database
they could database

V-ing form

I could be databasing
you could be databasing
he could be databasing
we could be databasing
you could be databasing
they could be databasing

Perfect

I could have databased
you could have databased
he 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
he could have been databasing
we could have been databasing
you could have been databasing
they could have been databasing

Negation

Simple form

I couldn't database
you couldn't database
he couldn't database
we couldn't database
you couldn't database
they couldn't database

V-ing form

I couldn't be databasing
you couldn't be databasing
he couldn't be databasing
we couldn't be databasing
you couldn't be databasing
they couldn't be databasing

Perfect

I couldn't have databased
you couldn't have databased
he couldn't have databased
we couldn't have databased
you couldn't have databased
they couldn't have databased

V-ing perfect

I couldn't have been databasing
you couldn't have been databasing
he couldn't have been databasing
we couldn't have been databasing
you couldn't have been databasing
they couldn't have been databasing

Interrogative form

Simple form

could I database?
could you database?
could he database?
could we database?
could you database?
could they database?

V-ing form

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

Perfect

could I have databased?
could you have databased?
could he 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 he have been databasing?
could we have been databasing?
could you have been databasing?
could they have been databasing?

Interro-negative form

Simple form

couldn't I database?
couldn't you database?
couldn't he database?
couldn't we database?
couldn't you database?
couldn't they database?

V-ing form

couldn't I be databasing?
couldn't you be databasing?
couldn't he be databasing?
couldn't we be databasing?
couldn't you be databasing?
couldn't they be databasing?

Perfect

couldn't I have databased?
couldn't you have databased?
couldn't he have databased?
couldn't we have databased?
couldn't you have databased?
couldn't they have databased?

V-ing perfect

couldn't I have been databasing?
couldn't you have been databasing?
couldn't he have been databasing?
couldn't we have been databasing?
couldn't you have been databasing?
couldn't they have been databasing?

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