to slacken
Regular verb: slacken - slackened- slackened

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I slacken
you slacken
she slackens
we slacken
you slacken
they slacken 	I'mslackening
you'reslackening
she'sslackening
we'reslackening
you'reslackening
they'reslackening	I slackened
you slackened
she slackened
we slackened
you slackened
they slackened	Iwasslackening
youwereslackening
shewasslackening
wewereslackening
youwereslackening
theywereslackening	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've slackened
you've slackened
she's slackened
we've slackened
you've slackened
they've slackened	I'vebeen slackening
you'vebeen slackening
she'sbeen slackening
we'vebeen slackening
you'vebeen slackening
they'vebeen slackening	I'd slackened
you'd slackened
she'd slackened
we'd slackened
you'd slackened
they'd slackened	I'd been slackening
you'd been slackening
she'd been slackening
we'd been slackening
you'd been slackening
they'd been slackening	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll slacken
you'll slacken
she'll slacken
we'll slacken
you'll slacken
they'll slacken 	I'll be slackening
you'll be slackening
she'll be slackening
we'll be slackening
you'll be slackening
they'll be slackening	I'll have slackened
you'll have slackened
she'll have slackened
we'll have slackened
you'll have slackened
they'll have slackened	I'll have been slackening
you'll have been slackening
she'll have been slackening
we'll have been slackening
you'll have been slackening
they'll have been slackening	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd slacken
you'd slacken
she'd slacken
we'd slacken
you'd slacken
they'd slacken 	I'd be slackening
you'd be slackening
she'd be slackening
we'd be slackening
you'd be slackening
they'd be slackening	I'd have slackened
you'd have slackened
she'd have slackened
we'd have slackened
you'd have slackened
they'd have slackened	I'd have been slackening
you'd have been slackening
she'd have been slackening
we'd have been slackening
you'd have been slackening
they'd have been slackening	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to slacken 	 	slacken
Let's slacken
slacken 	 	

Participle 	
Present 	Past 	 	 	
slackening	slackened