English verb conjugation MAY LACK

Regular verb: lack - lacked - lacked


Affirmation

Simple form

I may lack
you may lack
he may lack
we may lack
you may lack
they may lack

V-ing form

I may be lacking
you may be lacking
he may be lacking
we may be lacking
you may be lacking
they may be lacking

Perfect

I may have lacked
you may have lacked
he may have lacked
we may have lacked
you may have lacked
they may have lacked

V-ing perfect

I may have been lacking
you may have been lacking
he may have been lacking
we may have been lacking
you may have been lacking
they may have been lacking

Negation

Simple form

I may not lack
you may not lack
he may not lack
we may not lack
you may not lack
they may not lack

V-ing form

I may not be lacking
you may not be lacking
he may not be lacking
we may not be lacking
you may not be lacking
they may not be lacking

Perfect

I may not have lacked
you may not have lacked
he may not have lacked
we may not have lacked
you may not have lacked
they may not have lacked

V-ing perfect

I may not have been lacking
you may not have been lacking
he may not have been lacking
we may not have been lacking
you may not have been lacking
they may not have been lacking

Interrogative form

Simple form

may I lack?
may you lack?
may he lack?
may we lack?
may you lack?
may they lack?

V-ing form

may I be lacking?
may you be lacking?
may he be lacking?
may we be lacking?
may you be lacking?
may they be lacking?

Perfect

may I have lacked?
may you have lacked?
may he have lacked?
may we have lacked?
may you have lacked?
may they have lacked?

V-ing perfect

may I have been lacking?
may you have been lacking?
may he have been lacking?
may we have been lacking?
may you have been lacking?
may they have been lacking?

Interro-negative form

Simple form

may I not lack?
may you not lack?
may he not lack?
may we not lack?
may you not lack?
may they not lack?

V-ing form

may I not be lacking?
may you not be lacking?
may he not be lacking?
may we not be lacking?
may you not be lacking?
may they not be lacking?

Perfect

may I not have lacked?
may you not have lacked?
may he not have lacked?
may we not have lacked?
may you not have lacked?
may they not have lacked?

V-ing perfect

may I not have been lacking?
may you not have been lacking?
may he not have been lacking?
may we not have been lacking?
may you not have been lacking?
may they not have been lacking?