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 	Iamweakening
youareweakening
heisweakening
weareweakening
youareweakening
theyareweakening	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 have weakened
you have weakened
he has weakened
we have weakened
you have weakened
they have weakened	I have been weakening
you have been weakening
hehasbeen weakening
we have been weakening
you have been weakening
they have been weakening	I had weakened
you had weakened
he had weakened
we had weakened
you had weakened
they had weakened	I had been weakening
you had been weakening
he had been weakening
we had been weakening
you had been weakening
they had been weakening	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will weaken
you will weaken
he will weaken
we will weaken
you will weaken
they will weaken 	I will be weakening
you will be weakening
he will be weakening
we will be weakening
you will be weakening
they will be weakening	I will have weakened
you will have weakened
he will have weakened
we will have weakened
you will have weakened
they will have weakened	I will have been weakening
you will have been weakening
he will have been weakening
we will have been weakening
you will have been weakening
they will have been weakening	

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

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

Participle 	
Present 	Past 	 	 	
weakening	weakened