English verb conjugation CAN SICKEN

Regular verb: sicken - sickened - sickened

Affirmation

Simple form

I can sicken
you can sicken
he can sicken
we can sicken
you can sicken
they can sicken

V-ing form

I can be sickening
you can be sickening
he can be sickening
we can be sickening
you can be sickening
they can be sickening

Perfect

I can have sickened
you can have sickened
he can have sickened
we can have sickened
you can have sickened
they can have sickened

V-ing perfect

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

Negation

Simple form

I cannot sicken
you cannot sicken
he cannot sicken
we cannot sicken
you cannot sicken
they cannot sicken

V-ing form

I cannot be sickening
you cannot be sickening
he cannot be sickening
we cannot be sickening
you cannot be sickening
they cannot be sickening

Perfect

I cannot have sickened
you cannot have sickened
he cannot have sickened
we cannot have sickened
you cannot have sickened
they cannot have sickened

V-ing perfect

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

Interrogative form

Simple form

can I sicken?
can you sicken?
can he sicken?
can we sicken?
can you sicken?
can they sicken?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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