might lack
Regular verb: lack - lacked- lacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might lack
you might lack
she might lack
we might lack
you might lack
they might lack 	I might be lacking
you might be lacking
she might be lacking
we might be lacking
you might be lacking
they might be lacking	I might have lacked
you might have lacked
she might have lacked
we might have lacked
you might have lacked
they might have lacked	I might have been lacking
you might have been lacking
she might have been lacking
we might have been lacking
you might have been lacking
they might have been lacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might not lack
you might not lack
she might not lack
we might not lack
you might not lack
they might not lack 	I might not be lacking
you might not be lacking
she might not be lacking
we might not be lacking
you might not be lacking
they might not be lacking	I might not have lacked
you might not have lacked
she might not have lacked
we might not have lacked
you might not have lacked
they might not have lacked	I might not have been lacking
you might not have been lacking
she might not have been lacking
we might not have been lacking
you might not have been lacking
they might not have been lacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I lack?
might you lack?
might she lack?
might we lack?
might you lack?
might they lack? 	might I be lacking?
might you be lacking?
might she be lacking?
might we be lacking?
might you be lacking?
might they be lacking? 	might I have lacked?
might you have lacked?
might she have lacked?
might we have lacked?
might you have lacked?
might they have lacked? 	might I have been lacking?
might you have been lacking?
might she have been lacking?
might we have been lacking?
might you have been lacking?
might they have been lacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I not lack?
might you not lack?
might she not lack?
might we not lack?
might you not lack?
might they not lack? 	might I not be lacking?
might you not be lacking?
might she not be lacking?
might we not be lacking?
might you not be lacking?
might they not be lacking? 	might I not have lacked?
might you not have lacked?
might she not have lacked?
might we not have lacked?
might you not have lacked?
might they not have lacked? 	might I not have been lacking?
might you not have been lacking?
might she not have been lacking?
might we not have been lacking?
might you not have been lacking?
might they not have been lacking?