English verb conjugation
CAN QUARANTINE

Regular verb: quarantine - quarantined - quarantined

Affirmation

Simple form	V-ing form
I can quarantine you can quarantine he can quarantine we can quarantine you can quarantine they can quarantine	I can be quarantining you can be quarantining he can be quarantining we can be quarantining you can be quarantining they can be quarantining
Perfect	V-ing perfect
I can have quarantined you can have quarantined he can have quarantined we can have quarantined you can have quarantined they can have quarantined	I can have been quarantining you can have been quarantining he can have been quarantining we can have been quarantining you can have been quarantining they can have been quarantining

Negation

Simple form	V-ing form
I cannot quarantine you cannot quarantine he cannot quarantine we cannot quarantine you cannot quarantine they cannot quarantine	I cannot be quarantining you cannot be quarantining he cannot be quarantining we cannot be quarantining you cannot be quarantining they cannot be quarantining
Perfect	V-ing perfect
I cannot have quarantined you cannot have quarantined he cannot have quarantined we cannot have quarantined you cannot have quarantined they cannot have quarantined	I cannot have been quarantining you cannot have been quarantining he cannot have been quarantining we cannot have been quarantining you cannot have been quarantining they cannot have been quarantining

Interrogative form

Simple form	V-ing form
can I quarantine? can you quarantine? can he quarantine? can we quarantine? can you quarantine? can they quarantine?	can I be quarantining? can you be quarantining? can he be quarantining? can we be quarantining? can you be quarantining? can they be quarantining?
Perfect	V-ing perfect
can I have quarantined? can you have quarantined? can he have quarantined? can we have quarantined? can you have quarantined? can they have quarantined?	can I have been quarantining? can you have been quarantining? can he have been quarantining? can we have been quarantining? can you have been quarantining? can they have been quarantining?

Interro-negative form

Simple form	V-ing form
can I not quarantine? can you not quarantine? can he not quarantine? can we not quarantine? can you not quarantine? can they not quarantine?	can I not be quarantining? can you not be quarantining? can he not be quarantining? can we not be quarantining? can you not be quarantining? can they not be quarantining?
Perfect	V-ing perfect
can I not have quarantined? can you not have quarantined? can he not have quarantined? can we not have quarantined? can you not have quarantined? can they not have quarantined?	can I not have been quarantining? can you not have been quarantining? can he not have been quarantining? can we not have been quarantining? can you not have been quarantining? can they not have been quarantining?