English verb conjugation
SHALL UNDERSTAND

Irregular verb: understand - understood - understood

Affirmation

Simple form	V-ing form
I shall understand you shall understand he shall understand we shall understand you shall understand they shall understand	I shall be understanding you shall be understanding he shall be understanding we shall be understanding you shall be understanding they shall be understanding
Perfect	V-ing perfect
I shall have understood you shall have understood he shall have understood we shall have understood you shall have understood they shall have understood	I shall have been understanding you shall have been understanding he shall have been understanding we shall have been understanding you shall have been understanding they shall have been understanding

Negation

Simple form	V-ing form
I shall not understand you shall not understand he shall not understand we shall not understand you shall not understand they shall not understand	I shall not be understanding you shall not be understanding he shall not be understanding we shall not be understanding you shall not be understanding they shall not be understanding
Perfect	V-ing perfect
I shall not have understood you shall not have understood he shall not have understood we shall not have understood you shall not have understood they shall not have understood	I shall not have been understanding you shall not have been understanding he shall not have been understanding we shall not have been understanding you shall not have been understanding they shall not have been understanding

Interrogative form

Simple form	V-ing form
shall I understand? shall you understand? shall he understand? shall we understand? shall you understand? shall they understand?	shall I be understanding? shall you be understanding? shall he be understanding? shall we be understanding? shall you be understanding? shall they be understanding?
Perfect	V-ing perfect
shall I have understood? shall you have understood? shall he have understood? shall we have understood? shall you have understood? shall they have understood?	shall I have been understanding? shall you have been understanding? shall he have been understanding? shall we have been understanding? shall you have been understanding? shall they have been understanding?

Interro-negative form

Simple form	V-ing form
shall I not understand? shall you not understand? shall he not understand? shall we not understand? shall you not understand? shall they not understand?	shall I not be understanding? shall you not be understanding? shall he not be understanding? shall we not be understanding? shall you not be understanding? shall they not be understanding?
Perfect	V-ing perfect
shall I not have understood? shall you not have understood? shall he not have understood? shall we not have understood? shall you not have understood? shall they not have understood?	shall I not have been understanding? shall you not have been understanding? shall he not have been understanding? shall we not have been understanding? shall you not have been understanding? shall they not have been understanding?