must slacken
Regelmä&szlig;iges Verb: slacken - slackened- slackened

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must slacken
you must slacken
she must slacken
we must slacken
you must slacken
they must slacken 	I must be slackening
you must be slackening
she must be slackening
we must be slackening
you must be slackening
they must be slackening	I must have slackened
you must have slackened
she must have slackened
we must have slackened
you must have slackened
they must have slackened	I must have been slackening
you must have been slackening
she must have been slackening
we must have been slackening
you must have been slackening
they must have been slackening	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not slacken
you must not slacken
she must not slacken
we must not slacken
you must not slacken
they must not slacken 	I must not be slackening
you must not be slackening
she must not be slackening
we must not be slackening
you must not be slackening
they must not be slackening	I must not have slackened
you must not have slackened
she must not have slackened
we must not have slackened
you must not have slackened
they must not have slackened	I must not have been slackening
you must not have been slackening
she must not have been slackening
we must not have been slackening
you must not have been slackening
they must not have been slackening	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I slacken?
must you slacken?
must she slacken?
must we slacken?
must you slacken?
must they slacken? 	must I be slackening?
must you be slackening?
must she be slackening?
must we be slackening?
must you be slackening?
must they be slackening? 	must I have slackened?
must you have slackened?
must she have slackened?
must we have slackened?
must you have slackened?
must they have slackened? 	must I have been slackening?
must you have been slackening?
must she have been slackening?
must we have been slackening?
must you have been slackening?
must they have been slackening? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not slacken?
must you not slacken?
must she not slacken?
must we not slacken?
must you not slacken?
must they not slacken? 	must I not be slackening?
must you not be slackening?
must she not be slackening?
must we not be slackening?
must you not be slackening?
must they not be slackening? 	must I not have slackened?
must you not have slackened?
must she not have slackened?
must we not have slackened?
must you not have slackened?
must they not have slackened? 	must I not have been slackening?
must you not have been slackening?
must she not have been slackening?
must we not have been slackening?
must you not have been slackening?
must they not have been slackening?