English verb conjugation CAN OBSESS

Regular verb: obsess - obsessed - obsessed

Affirmation

Simple form

I can obsess
you can obsess
she can obsess
we can obsess
you can obsess
they can obsess

V-ing form

I can be obsessing
you can be obsessing
she can be obsessing
we can be obsessing
you can be obsessing
they can be obsessing

Perfect

I can have obsessed
you can have obsessed
she can have obsessed
we can have obsessed
you can have obsessed
they can have obsessed

V-ing perfect

I can have been obsessing
you can have been obsessing
she can have been obsessing
we can have been obsessing
you can have been obsessing
they can have been obsessing

Negation

Simple form

I cannot obsess
you cannot obsess
she cannot obsess
we cannot obsess
you cannot obsess
they cannot obsess

V-ing form

I cannot be obsessing
you cannot be obsessing
she cannot be obsessing
we cannot be obsessing
you cannot be obsessing
they cannot be obsessing

Perfect

I cannot have obsessed
you cannot have obsessed
she cannot have obsessed
we cannot have obsessed
you cannot have obsessed
they cannot have obsessed

V-ing perfect

I cannot have been obsessing
you cannot have been obsessing
she cannot have been obsessing
we cannot have been obsessing
you cannot have been obsessing
they cannot have been obsessing

Interrogative form

Simple form

can I obsess?
can you obsess?
can she obsess?
can we obsess?
can you obsess?
can they obsess?

V-ing form

can I be obsessing?
can you be obsessing?
can she be obsessing?
can we be obsessing?
can you be obsessing?
can they be obsessing?

Perfect

can I have obsessed?
can you have obsessed?
can she have obsessed?
can we have obsessed?
can you have obsessed?
can they have obsessed?

V-ing perfect

can I have been obsessing?
can you have been obsessing?
can she have been obsessing?
can we have been obsessing?
can you have been obsessing?
can they have been obsessing?

Interro-negative form

Simple form

can I not obsess?
can you not obsess?
can she not obsess?
can we not obsess?
can you not obsess?
can they not obsess?

V-ing form

can I not be obsessing?
can you not be obsessing?
can she not be obsessing?
can we not be obsessing?
can you not be obsessing?
can they not be obsessing?

Perfect

can I not have obsessed?
can you not have obsessed?
can she not have obsessed?
can we not have obsessed?
can you not have obsessed?
can they not have obsessed?

V-ing perfect

can I not have been obsessing?
can you not have been obsessing?
can she not have been obsessing?
can we not have been obsessing?
can you not have been obsessing?
can they not have been obsessing?

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