English verb conjugation COULD DISPLAY

Regular verb: display - displayed - displayed

Affirmation

Simple form

I could display
you could display
he could display
we could display
you could display
they could display

V-ing form

I could be displaying
you could be displaying
he could be displaying
we could be displaying
you could be displaying
they could be displaying

Perfect

I could have displayed
you could have displayed
he could have displayed
we could have displayed
you could have displayed
they could have displayed

V-ing perfect

I could have been displaying
you could have been displaying
he could have been displaying
we could have been displaying
you could have been displaying
they could have been displaying

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I display?
could you display?
could he display?
could we display?
could you display?
could they display?

V-ing form

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

Perfect

could I have displayed?
could you have displayed?
could he have displayed?
could we have displayed?
could you have displayed?
could they have displayed?

V-ing perfect

could I have been displaying?
could you have been displaying?
could he have been displaying?
could we have been displaying?
could you have been displaying?
could they have been displaying?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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