will lack
Verbo regular: lack - lacked- lacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will lack
you will lack
she will lack
we will lack
you will lack
they will lack 	I will be lacking
you will be lacking
she will be lacking
we will be lacking
you will be lacking
they will be lacking	I will have lacked
you will have lacked
she will have lacked
we will have lacked
you will have lacked
they will have lacked	I will have been lacking
you will have been lacking
she will have been lacking
we will have been lacking
you will have been lacking
they will have been lacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will not lack
you will not lack
she will not lack
we will not lack
you will not lack
they will not lack 	I will not be lacking
you will not be lacking
she will not be lacking
we will not be lacking
you will not be lacking
they will not be lacking	I will not have lacked
you will not have lacked
she will not have lacked
we will not have lacked
you will not have lacked
they will not have lacked	I will not have been lacking
you will not have been lacking
she will not have been lacking
we will not have been lacking
you will not have been lacking
they will not have been lacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I lack?
will you lack?
will she lack?
will we lack?
will you lack?
will they lack? 	will I be lacking?
will you be lacking?
will she be lacking?
will we be lacking?
will you be lacking?
will they be lacking? 	will I have lacked?
will you have lacked?
will she 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 she 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 	
will I not lack?
will you not lack?
will she not lack?
will we not lack?
will you not lack?
will they not lack? 	will I not be lacking?
will you not be lacking?
will she not be lacking?
will we not be lacking?
will you not be lacking?
will they not be lacking? 	will I not have lacked?
will you not have lacked?
will she not have lacked?
will we not have lacked?
will you not have lacked?
will they not have lacked? 	will I not have been lacking?
will you not have been lacking?
will she not have been lacking?
will we not have been lacking?
will you not have been lacking?
will they not have been lacking?