English verb conjugation
SHALL CONCENTRATE

Regular verb: concentrate - concentrated - concentrated

Affirmation

Simple form	V-ing form
I shall concentrate you shall concentrate he shall concentrate we shall concentrate you shall concentrate they shall concentrate	I shall be concentrating you shall be concentrating he shall be concentrating we shall be concentrating you shall be concentrating they shall be concentrating
Perfect	V-ing perfect
I shall have concentrated you shall have concentrated he shall have concentrated we shall have concentrated you shall have concentrated they shall have concentrated	I shall have been concentrating you shall have been concentrating he shall have been concentrating we shall have been concentrating you shall have been concentrating they shall have been concentrating

Negation

Simple form	V-ing form
I shall not concentrate you shall not concentrate he shall not concentrate we shall not concentrate you shall not concentrate they shall not concentrate	I shall not be concentrating you shall not be concentrating he shall not be concentrating we shall not be concentrating you shall not be concentrating they shall not be concentrating
Perfect	V-ing perfect
I shall not have concentrated you shall not have concentrated he shall not have concentrated we shall not have concentrated you shall not have concentrated they shall not have concentrated	I shall not have been concentrating you shall not have been concentrating he shall not have been concentrating we shall not have been concentrating you shall not have been concentrating they shall not have been concentrating

Interrogative form

Simple form	V-ing form
shall I concentrate? shall you concentrate? shall he concentrate? shall we concentrate? shall you concentrate? shall they concentrate?	shall I be concentrating? shall you be concentrating? shall he be concentrating? shall we be concentrating? shall you be concentrating? shall they be concentrating?
Perfect	V-ing perfect
shall I have concentrated? shall you have concentrated? shall he have concentrated? shall we have concentrated? shall you have concentrated? shall they have concentrated?	shall I have been concentrating? shall you have been concentrating? shall he have been concentrating? shall we have been concentrating? shall you have been concentrating? shall they have been concentrating?

Interro-negative form

Simple form	V-ing form
shall I not concentrate? shall you not concentrate? shall he not concentrate? shall we not concentrate? shall you not concentrate? shall they not concentrate?	shall I not be concentrating? shall you not be concentrating? shall he not be concentrating? shall we not be concentrating? shall you not be concentrating? shall they not be concentrating?
Perfect	V-ing perfect
shall I not have concentrated? shall you not have concentrated? shall he not have concentrated? shall we not have concentrated? shall you not have concentrated? shall they not have concentrated?	shall I not have been concentrating? shall you not have been concentrating? shall he not have been concentrating? shall we not have been concentrating? shall you not have been concentrating? shall they not have been concentrating?