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 can't slacken
you can't slacken
he can't slacken
we can't slacken
you can't slacken
they can't slacken

V-ing form

I can't be slackening
you can't be slackening
he can't be slackening
we can't be slackening
you can't be slackening
they can't be slackening

Perfect

I can't have slackened
you can't have slackened
he can't have slackened
we can't have slackened
you can't have slackened
they can't have slackened

V-ing perfect

I can't have been slackening
you can't have been slackening
he can't have been slackening
we can't have been slackening
you can't have been slackening
they can't 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't I slacken?
can't you slacken?
can't he slacken?
can't we slacken?
can't you slacken?
can't they slacken?

V-ing form

can't I be slackening?
can't you be slackening?
can't he be slackening?
can't we be slackening?
can't you be slackening?
can't they be slackening?

Perfect

can't I have slackened?
can't you have slackened?
can't he have slackened?
can't we have slackened?
can't you have slackened?
can't they have slackened?

V-ing perfect

can't I have been slackening?
can't you have been slackening?
can't he have been slackening?
can't we have been slackening?
can't you have been slackening?
can't they have been slackening?

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