I'll be concerning you'll be concerning he'll be concerning we'll be concerning you'll be concerning they'll be concerning
Perfect
I'll have concerned you'll have concerned he'll have concerned we'll have concerned you'll have concerned they'll have concerned
V-ing perfect
I'll have been concerning you'll have been concerning he'll have been concerning we'll have been concerning you'll have been concerning they'll have been concerning
Negation
Simple form
I won't concern you won't concern he won't concern we won't concern you won't concern they won't concern
V-ing form
I won't be concerning you won't be concerning he won't be concerning we won't be concerning you won't be concerning they won't be concerning
Perfect
I won't have concerned you won't have concerned he won't have concerned we won't have concerned you won't have concerned they won't have concerned
V-ing perfect
I won't have been concerning you won't have been concerning he won't have been concerning we won't have been concerning you won't have been concerning they won't 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
won't I concern? won't you concern? won't he concern? won't we concern? won't you concern? won't they concern?
V-ing form
won't I be concerning? won't you be concerning? won't he be concerning? won't we be concerning? won't you be concerning? won't they be concerning?
Perfect
won't I have concerned? won't you have concerned? won't he have concerned? won't we have concerned? won't you have concerned? won't they have concerned?
V-ing perfect
won't I have been concerning? won't you have been concerning? won't he have been concerning? won't we have been concerning? won't you have been concerning? won't they have been concerning?