English verb conjugation COULD SWAP

Regular verb: swap - swaped - swaped

Affirmation

Simple form

I could swap
you could swap
he could swap
we could swap
you could swap
they could swap

V-ing form

I could be swaping
you could be swaping
he could be swaping
we could be swaping
you could be swaping
they could be swaping

Perfect

I could have swaped
you could have swaped
he could have swaped
we could have swaped
you could have swaped
they could have swaped

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I swap?
could you swap?
could he swap?
could we swap?
could you swap?
could they swap?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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