English verb conjugation
SHALL TOUGH

Regular verb: tough - toughed - toughed

Affirmation

Simple form	V-ing form
I shall tough you shall tough she shall tough we shall tough you shall tough they shall tough	I shall be toughing you shall be toughing she shall be toughing we shall be toughing you shall be toughing they shall be toughing
Perfect	V-ing perfect
I shall have toughed you shall have toughed she shall have toughed we shall have toughed you shall have toughed they shall have toughed	I shall have been toughing you shall have been toughing she shall have been toughing we shall have been toughing you shall have been toughing they shall have been toughing

Negation

Simple form	V-ing form
I shall not tough you shall not tough she shall not tough we shall not tough you shall not tough they shall not tough	I shall not be toughing you shall not be toughing she shall not be toughing we shall not be toughing you shall not be toughing they shall not be toughing
Perfect	V-ing perfect
I shall not have toughed you shall not have toughed she shall not have toughed we shall not have toughed you shall not have toughed they shall not have toughed	I shall not have been toughing you shall not have been toughing she shall not have been toughing we shall not have been toughing you shall not have been toughing they shall not have been toughing

Interrogative form

Simple form	V-ing form
shall I tough? shall you tough? shall she tough? shall we tough? shall you tough? shall they tough?	shall I be toughing? shall you be toughing? shall she be toughing? shall we be toughing? shall you be toughing? shall they be toughing?
Perfect	V-ing perfect
shall I have toughed? shall you have toughed? shall she have toughed? shall we have toughed? shall you have toughed? shall they have toughed?	shall I have been toughing? shall you have been toughing? shall she have been toughing? shall we have been toughing? shall you have been toughing? shall they have been toughing?

Interro-negative form

Simple form	V-ing form
shall I not tough? shall you not tough? shall she not tough? shall we not tough? shall you not tough? shall they not tough?	shall I not be toughing? shall you not be toughing? shall she not be toughing? shall we not be toughing? shall you not be toughing? shall they not be toughing?
Perfect	V-ing perfect
shall I not have toughed? shall you not have toughed? shall she not have toughed? shall we not have toughed? shall you not have toughed? shall they not have toughed?	shall I not have been toughing? shall you not have been toughing? shall she not have been toughing? shall we not have been toughing? shall you not have been toughing? shall they not have been toughing?