English verb conjugation COULD REFILL

Regular verb: refill - refilled - refilled

Affirmation

Simple form

I could refill
you could refill
he could refill
we could refill
you could refill
they could refill

V-ing form

I could be refilling
you could be refilling
he could be refilling
we could be refilling
you could be refilling
they could be refilling

Perfect

I could have refilled
you could have refilled
he could have refilled
we could have refilled
you could have refilled
they could have refilled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I refill?
could you refill?
could he refill?
could we refill?
could you refill?
could they refill?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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