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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD KEEP

Irregular verb: keep - kept - kept


Affirmation

Simple form
I could keep
you could keep
he could keep
we could keep
you could keep
they could keep
V-ing form
I could be keeping
you could be keeping
he could be keeping
we could be keeping
you could be keeping
they could be keeping
Perfect
I could have kept
you could have kept
he could have kept
we could have kept
you could have kept
they could have kept
V-ing perfect
I could have been keeping
you could have been keeping
he could have been keeping
we could have been keeping
you could have been keeping
they could have been keeping

Negation

Simple form
I couldn't keep
you couldn't keep
he couldn't keep
we couldn't keep
you couldn't keep
they couldn't keep
V-ing form
I couldn't be keeping
you couldn't be keeping
he couldn't be keeping
we couldn't be keeping
you couldn't be keeping
they couldn't be keeping
Perfect
I couldn't have kept
you couldn't have kept
he couldn't have kept
we couldn't have kept
you couldn't have kept
they couldn't have kept
V-ing perfect
I couldn't have been keeping
you couldn't have been keeping
he couldn't have been keeping
we couldn't have been keeping
you couldn't have been keeping
they couldn't have been keeping

Interrogative form

Simple form
could I keep?
could you keep?
could he keep?
could we keep?
could you keep?
could they keep?
V-ing form
could I be keeping?
could you be keeping?
could he be keeping?
could we be keeping?
could you be keeping?
could they be keeping?
Perfect
could I have kept?
could you have kept?
could he have kept?
could we have kept?
could you have kept?
could they have kept?
V-ing perfect
could I have been keeping?
could you have been keeping?
could he have been keeping?
could we have been keeping?
could you have been keeping?
could they have been keeping?

Interro-negative form

Simple form
couldn't I keep?
couldn't you keep?
couldn't he keep?
couldn't we keep?
couldn't you keep?
couldn't they keep?
V-ing form
couldn't I be keeping?
couldn't you be keeping?
couldn't he be keeping?
couldn't we be keeping?
couldn't you be keeping?
couldn't they be keeping?
Perfect
couldn't I have kept?
couldn't you have kept?
couldn't he have kept?
couldn't we have kept?
couldn't you have kept?
couldn't they have kept?
V-ing perfect
couldn't I have been keeping?
couldn't you have been keeping?
couldn't he have been keeping?
couldn't we have been keeping?
couldn't you have been keeping?
couldn't they have been keeping?