I'll be understanding you'll be understanding she'll be understanding we'll be understanding you'll be understanding they'll be understanding
Perfect
I'll have understood you'll have understood she'll have understood we'll have understood you'll have understood they'll have understood
V-ing perfect
I'll have been understanding you'll have been understanding she'll have been understanding we'll have been understanding you'll have been understanding they'll have been understanding
Negation
Simple form
I won't understand you won't understand she won't understand we won't understand you won't understand they won't understand
V-ing form
I won't be understanding you won't be understanding she won't be understanding we won't be understanding you won't be understanding they won't be understanding
Perfect
I won't have understood you won't have understood she won't have understood we won't have understood you won't have understood they won't have understood
V-ing perfect
I won't have been understanding you won't have been understanding she won't have been understanding we won't have been understanding you won't have been understanding they won't have been understanding
Interrogative form
Simple form
will I understand? will you understand? will she understand? will we understand? will you understand? will they understand?
V-ing form
will I be understanding? will you be understanding? will she be understanding? will we be understanding? will you be understanding? will they be understanding?
Perfect
will I have understood? will you have understood? will she have understood? will we have understood? will you have understood? will they have understood?
V-ing perfect
will I have been understanding? will you have been understanding? will she have been understanding? will we have been understanding? will you have been understanding? will they have been understanding?
Interro-negative form
Simple form
won't I understand? won't you understand? won't she understand? won't we understand? won't you understand? won't they understand?
V-ing form
won't I be understanding? won't you be understanding? won't she be understanding? won't we be understanding? won't you be understanding? won't they be understanding?
Perfect
won't I have understood? won't you have understood? won't she have understood? won't we have understood? won't you have understood? won't they have understood?
V-ing perfect
won't I have been understanding? won't you have been understanding? won't she have been understanding? won't we have been understanding? won't you have been understanding? won't they have been understanding?