will lack
Verbo regular: lack - lacked- lacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'll lack
you'll lack
he'll lack
we'll lack
you'll lack
they'll lack 	I'll be lacking
you'll be lacking
he'll be lacking
we'll be lacking
you'll be lacking
they'll be lacking	I'll have lacked
you'll have lacked
he'll have lacked
we'll have lacked
you'll have lacked
they'll have lacked	I'll have been lacking
you'll have been lacking
he'll have been lacking
we'll have been lacking
you'll have been lacking
they'll have been lacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I won't lack
you won't lack
he won't lack
we won't lack
you won't lack
they won't lack 	I won't be lacking
you won't be lacking
he won't be lacking
we won't be lacking
you won't be lacking
they won't be lacking	I won't have lacked
you won't have lacked
he won't have lacked
we won't have lacked
you won't have lacked
they won't have lacked	I won't have been lacking
you won't have been lacking
he won't have been lacking
we won't have been lacking
you won't have been lacking
they won't have been lacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I lack?
will you lack?
will he lack?
will we lack?
will you lack?
will they lack? 	will I be lacking?
will you be lacking?
will he be lacking?
will we be lacking?
will you be lacking?
will they be lacking? 	will I have lacked?
will you have lacked?
will he have lacked?
will we have lacked?
will you have lacked?
will they have lacked? 	will I have been lacking?
will you have been lacking?
will he have been lacking?
will we have been lacking?
will you have been lacking?
will they have been lacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
won't I lack?
won't you lack?
won't he lack?
won't we lack?
won't you lack?
won't they lack? 	won't I be lacking?
won't you be lacking?
won't he be lacking?
won't we be lacking?
won't you be lacking?
won't they be lacking? 	won't I have lacked?
won't you have lacked?
won't he have lacked?
won't we have lacked?
won't you have lacked?
won't they have lacked? 	won't I have been lacking?
won't you have been lacking?
won't he have been lacking?
won't we have been lacking?
won't you have been lacking?
won't they have been lacking?