I will concern you will concern he will concern we will concern you will concern they will concern
V-ing form
I will be concerning you will be concerning he will be concerning we will be concerning you will be concerning they will be concerning
Perfect
I will have concerned you will have concerned he will have concerned we will have concerned you will have concerned they will have concerned
V-ing perfect
I will have been concerning you will have been concerning he will have been concerning we will have been concerning you will have been concerning they will have been concerning
Negation
Simple form
I will not concern you will not concern he will not concern we will not concern you will not concern they will not concern
V-ing form
I will not be concerning you will not be concerning he will not be concerning we will not be concerning you will not be concerning they will not be concerning
Perfect
I will not have concerned you will not have concerned he will not have concerned we will not have concerned you will not have concerned they will not have concerned
V-ing perfect
I will not have been concerning you will not have been concerning he will not have been concerning we will not have been concerning you will not have been concerning they will not have been concerning
Interrogative form
Simple form
will I concern? will you concern? will he concern? will we concern? will you concern? will they concern?
V-ing form
will I be concerning? will you be concerning? will he be concerning? will we be concerning? will you be concerning? will they be concerning?
Perfect
will I have concerned? will you have concerned? will he have concerned? will we have concerned? will you have concerned? will they have concerned?
V-ing perfect
will I have been concerning? will you have been concerning? will he have been concerning? will we have been concerning? will you have been concerning? will they have been concerning?
Interro-negative form
Simple form
will I not concern? will you not concern? will he not concern? will we not concern? will you not concern? will they not concern?
V-ing form
will I not be concerning? will you not be concerning? will he not be concerning? will we not be concerning? will you not be concerning? will they not be concerning?
Perfect
will I not have concerned? will you not have concerned? will he not have concerned? will we not have concerned? will you not have concerned? will they not have concerned?
V-ing perfect
will I not have been concerning? will you not have been concerning? will he not have been concerning? will we not have been concerning? will you not have been concerning? will they not have been concerning?