English verb conjugation CAN SLACKEN

Regular verb: slacken - slackened - slackened

Affirmation

Simple form

I can slacken
you can slacken
he can slacken
we can slacken
you can slacken
they can slacken

V-ing form

I can be slackening
you can be slackening
he can be slackening
we can be slackening
you can be slackening
they can be slackening

Perfect

I can have slackened
you can have slackened
he can have slackened
we can have slackened
you can have slackened
they can have slackened

V-ing perfect

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

Negation

Simple form

I cannot slacken
you cannot slacken
he cannot slacken
we cannot slacken
you cannot slacken
they cannot slacken

V-ing form

I cannot be slackening
you cannot be slackening
he cannot be slackening
we cannot be slackening
you cannot be slackening
they cannot be slackening

Perfect

I cannot have slackened
you cannot have slackened
he cannot have slackened
we cannot have slackened
you cannot have slackened
they cannot have slackened

V-ing perfect

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

Interrogative form

Simple form

can I slacken?
can you slacken?
can he slacken?
can we slacken?
can you slacken?
can they slacken?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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