English verb conjugation CAN HARKEN

Regular verb: harken - harkened - harkened

Affirmation

Simple form

I can harken
you can harken
he can harken
we can harken
you can harken
they can harken

V-ing form

I can be harkening
you can be harkening
he can be harkening
we can be harkening
you can be harkening
they can be harkening

Perfect

I can have harkened
you can have harkened
he can have harkened
we can have harkened
you can have harkened
they can have harkened

V-ing perfect

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

Negation

Simple form

I cannot harken
you cannot harken
he cannot harken
we cannot harken
you cannot harken
they cannot harken

V-ing form

I cannot be harkening
you cannot be harkening
he cannot be harkening
we cannot be harkening
you cannot be harkening
they cannot be harkening

Perfect

I cannot have harkened
you cannot have harkened
he cannot have harkened
we cannot have harkened
you cannot have harkened
they cannot have harkened

V-ing perfect

I cannot have been harkening
you cannot have been harkening
he cannot have been harkening
we cannot have been harkening
you cannot have been harkening
they cannot have been harkening

Interrogative form

Simple form

can I harken?
can you harken?
can he harken?
can we harken?
can you harken?
can they harken?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not harken?
can you not harken?
can he not harken?
can we not harken?
can you not harken?
can they not harken?

V-ing form

can I not be harkening?
can you not be harkening?
can he not be harkening?
can we not be harkening?
can you not be harkening?
can they not be harkening?

Perfect

can I not have harkened?
can you not have harkened?
can he not have harkened?
can we not have harkened?
can you not have harkened?
can they not have harkened?

V-ing perfect

can I not have been harkening?
can you not have been harkening?
can he not have been harkening?
can we not have been harkening?
can you not have been harkening?
can they not have been harkening?

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