to weaken
Regular verb: weaken - weakened- weakened

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I weaken
you weaken
he weakens
we weaken
you weaken
they weaken 	I'mweakening
you'reweakening
he'sweakening
we'reweakening
you'reweakening
they'reweakening	I weakened
you weakened
he weakened
we weakened
you weakened
they weakened	Iwasweakening
youwereweakening
hewasweakening
wewereweakening
youwereweakening
theywereweakening	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've weakened
you've weakened
he's weakened
we've weakened
you've weakened
they've weakened	I'vebeen weakening
you'vebeen weakening
he'sbeen weakening
we'vebeen weakening
you'vebeen weakening
they'vebeen weakening	I'd weakened
you'd weakened
he'd weakened
we'd weakened
you'd weakened
they'd weakened	I'd been weakening
you'd been weakening
he'd been weakening
we'd been weakening
you'd been weakening
they'd been weakening	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll weaken
you'll weaken
he'll weaken
we'll weaken
you'll weaken
they'll weaken 	I'll be weakening
you'll be weakening
he'll be weakening
we'll be weakening
you'll be weakening
they'll be weakening	I'll have weakened
you'll have weakened
he'll have weakened
we'll have weakened
you'll have weakened
they'll have weakened	I'll have been weakening
you'll have been weakening
he'll have been weakening
we'll have been weakening
you'll have been weakening
they'll have been weakening	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd weaken
you'd weaken
he'd weaken
we'd weaken
you'd weaken
they'd weaken 	I'd be weakening
you'd be weakening
he'd be weakening
we'd be weakening
you'd be weakening
they'd be weakening	I'd have weakened
you'd have weakened
he'd have weakened
we'd have weakened
you'd have weakened
they'd have weakened	I'd have been weakening
you'd have been weakening
he'd have been weakening
we'd have been weakening
you'd have been weakening
they'd have been weakening	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to weaken 	 	weaken
Let's weaken
weaken 	 	

Participle 	
Present 	Past 	 	 	
weakening	weakened