English verb conjugation CAN BACKFILL

Regular verb: backfill - backfilled - backfilled

Affirmation

Simple form

I can backfill
you can backfill
he can backfill
we can backfill
you can backfill
they can backfill

V-ing form

I can be backfilling
you can be backfilling
he can be backfilling
we can be backfilling
you can be backfilling
they can be backfilling

Perfect

I can have backfilled
you can have backfilled
he can have backfilled
we can have backfilled
you can have backfilled
they can have backfilled

V-ing perfect

I can have been backfilling
you can have been backfilling
he can have been backfilling
we can have been backfilling
you can have been backfilling
they can have been backfilling

Negation

Simple form

I can't backfill
you can't backfill
he can't backfill
we can't backfill
you can't backfill
they can't backfill

V-ing form

I can't be backfilling
you can't be backfilling
he can't be backfilling
we can't be backfilling
you can't be backfilling
they can't be backfilling

Perfect

I can't have backfilled
you can't have backfilled
he can't have backfilled
we can't have backfilled
you can't have backfilled
they can't have backfilled

V-ing perfect

I can't have been backfilling
you can't have been backfilling
he can't have been backfilling
we can't have been backfilling
you can't have been backfilling
they can't have been backfilling

Interrogative form

Simple form

can I backfill?
can you backfill?
can he backfill?
can we backfill?
can you backfill?
can they backfill?

V-ing form

can I be backfilling?
can you be backfilling?
can he be backfilling?
can we be backfilling?
can you be backfilling?
can they be backfilling?

Perfect

can I have backfilled?
can you have backfilled?
can he have backfilled?
can we have backfilled?
can you have backfilled?
can they have backfilled?

V-ing perfect

can I have been backfilling?
can you have been backfilling?
can he have been backfilling?
can we have been backfilling?
can you have been backfilling?
can they have been backfilling?

Interro-negative form

Simple form

can't I backfill?
can't you backfill?
can't he backfill?
can't we backfill?
can't you backfill?
can't they backfill?

V-ing form

can't I be backfilling?
can't you be backfilling?
can't he be backfilling?
can't we be backfilling?
can't you be backfilling?
can't they be backfilling?

Perfect

can't I have backfilled?
can't you have backfilled?
can't he have backfilled?
can't we have backfilled?
can't you have backfilled?
can't they have backfilled?

V-ing perfect

can't I have been backfilling?
can't you have been backfilling?
can't he have been backfilling?
can't we have been backfilling?
can't you have been backfilling?
can't they have been backfilling?

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