English verb conjugation
WILL SLACKEN

Regular verb: slacken - slackened - slackened

Affirmation

Simple form	V-ing form
I will slacken you will slacken he will slacken we will slacken you will slacken they will slacken	I will be slackening you will be slackening he will be slackening we will be slackening you will be slackening they will be slackening
Perfect	V-ing perfect
I will have slackened you will have slackened he will have slackened we will have slackened you will have slackened they will have slackened	I will have been slackening you will have been slackening he will have been slackening we will have been slackening you will have been slackening they will have been slackening

Negation

Simple form	V-ing form
I will not slacken you will not slacken he will not slacken we will not slacken you will not slacken they will not slacken	I will not be slackening you will not be slackening he will not be slackening we will not be slackening you will not be slackening they will not be slackening
Perfect	V-ing perfect
I will not have slackened you will not have slackened he will not have slackened we will not have slackened you will not have slackened they will not have slackened	I will not have been slackening you will not have been slackening he will not have been slackening we will not have been slackening you will not have been slackening they will not have been slackening

Interrogative form

Simple form	V-ing form
will I slacken? will you slacken? will he slacken? will we slacken? will you slacken? will they slacken?	will I be slackening? will you be slackening? will he be slackening? will we be slackening? will you be slackening? will they be slackening?
Perfect	V-ing perfect
will I have slackened? will you have slackened? will he have slackened? will we have slackened? will you have slackened? will they have slackened?	will I have been slackening? will you have been slackening? will he have been slackening? will we have been slackening? will you have been slackening? will they have been slackening?

Interro-negative form

Simple form	V-ing form
will I not slacken? will you not slacken? will he not slacken? will we not slacken? will you not slacken? will they not slacken?	will I not be slackening? will you not be slackening? will he not be slackening? will we not be slackening? will you not be slackening? will they not be slackening?
Perfect	V-ing perfect
will I not have slackened? will you not have slackened? will he not have slackened? will we not have slackened? will you not have slackened? will they not have slackened?	will I not have been slackening? will you not have been slackening? will he not have been slackening? will we not have been slackening? will you not have been slackening? will they not have been slackening?