English verb conjugation COULD CALLUS

Regular verb: callus - callused - callused

Affirmation

Simple form

I could callus
you could callus
he could callus
we could callus
you could callus
they could callus

V-ing form

I could be callusing
you could be callusing
he could be callusing
we could be callusing
you could be callusing
they could be callusing

Perfect

I could have callused
you could have callused
he could have callused
we could have callused
you could have callused
they could have callused

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I callus?
could you callus?
could he callus?
could we callus?
could you callus?
could they callus?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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