will weaken
Verbo regular: weaken - weakened- weakened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will weaken
you will weaken
she will weaken
we will weaken
you will weaken
they will weaken 	I will be weakening
you will be weakening
she will be weakening
we will be weakening
you will be weakening
they will be weakening	I will have weakened
you will have weakened
she 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
she will have been weakening
we will have been weakening
you will have been weakening
they will have been weakening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will not weaken
you will not weaken
she will not weaken
we will not weaken
you will not weaken
they will not weaken 	I will not be weakening
you will not be weakening
she will not be weakening
we will not be weakening
you will not be weakening
they will not be weakening	I will not have weakened
you will not have weakened
she will not have weakened
we will not have weakened
you will not have weakened
they will not have weakened	I will not have been weakening
you will not have been weakening
she will not have been weakening
we will not have been weakening
you will not have been weakening
they will not have been weakening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I weaken?
will you weaken?
will she weaken?
will we weaken?
will you weaken?
will they weaken? 	will I be weakening?
will you be weakening?
will she be weakening?
will we be weakening?
will you be weakening?
will they be weakening? 	will I have weakened?
will you have weakened?
will she have weakened?
will we have weakened?
will you have weakened?
will they have weakened? 	will I have been weakening?
will you have been weakening?
will she have been weakening?
will we have been weakening?
will you have been weakening?
will they have been weakening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I not weaken?
will you not weaken?
will she not weaken?
will we not weaken?
will you not weaken?
will they not weaken? 	will I not be weakening?
will you not be weakening?
will she not be weakening?
will we not be weakening?
will you not be weakening?
will they not be weakening? 	will I not have weakened?
will you not have weakened?
will she not have weakened?
will we not have weakened?
will you not have weakened?
will they not have weakened? 	will I not have been weakening?
will you not have been weakening?
will she not have been weakening?
will we not have been weakening?
will you not have been weakening?
will they not have been weakening?