English verb conjugation COULD DERAI

Regular verb: derai - deraied - deraied

Affirmation

Simple form

I could derai
you could derai
he could derai
we could derai
you could derai
they could derai

V-ing form

I could be deraiing
you could be deraiing
he could be deraiing
we could be deraiing
you could be deraiing
they could be deraiing

Perfect

I could have deraied
you could have deraied
he could have deraied
we could have deraied
you could have deraied
they could have deraied

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I derai?
could you derai?
could he derai?
could we derai?
could you derai?
could they derai?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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