English verb conjugation COULD QUARANTINE

Regular verb: quarantine - quarantined - quarantined

Affirmation

Simple form

I could quarantine
you could quarantine
he could quarantine
we could quarantine
you could quarantine
they could quarantine

V-ing form

I could be quarantining
you could be quarantining
he could be quarantining
we could be quarantining
you could be quarantining
they could be quarantining

Perfect

I could have quarantined
you could have quarantined
he could have quarantined
we could have quarantined
you could have quarantined
they could have quarantined

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I quarantine?
could you quarantine?
could he quarantine?
could we quarantine?
could you quarantine?
could they quarantine?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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