English verb conjugation SHALL UNDERUSE

Regular verb: underuse - underused - underused

Affirmation

Simple form

I shall underuse
you shall underuse
she shall underuse
we shall underuse
you shall underuse
they shall underuse

V-ing form

I shall be underusing
you shall be underusing
she shall be underusing
we shall be underusing
you shall be underusing
they shall be underusing

Perfect

I shall have underused
you shall have underused
she shall have underused
we shall have underused
you shall have underused
they shall have underused

V-ing perfect

I shall have been underusing
you shall have been underusing
she shall have been underusing
we shall have been underusing
you shall have been underusing
they shall have been underusing

Negation

Simple form

I shall not underuse
you shall not underuse
she shall not underuse
we shall not underuse
you shall not underuse
they shall not underuse

V-ing form

I shall not be underusing
you shall not be underusing
she shall not be underusing
we shall not be underusing
you shall not be underusing
they shall not be underusing

Perfect

I shall not have underused
you shall not have underused
she shall not have underused
we shall not have underused
you shall not have underused
they shall not have underused

V-ing perfect

I shall not have been underusing
you shall not have been underusing
she shall not have been underusing
we shall not have been underusing
you shall not have been underusing
they shall not have been underusing

Interrogative form

Simple form

shall I underuse?
shall you underuse?
shall she underuse?
shall we underuse?
shall you underuse?
shall they underuse?

V-ing form

shall I be underusing?
shall you be underusing?
shall she be underusing?
shall we be underusing?
shall you be underusing?
shall they be underusing?

Perfect

shall I have underused?
shall you have underused?
shall she have underused?
shall we have underused?
shall you have underused?
shall they have underused?

V-ing perfect

shall I have been underusing?
shall you have been underusing?
shall she have been underusing?
shall we have been underusing?
shall you have been underusing?
shall they have been underusing?

Interro-negative form

Simple form

shall I not underuse?
shall you not underuse?
shall she not underuse?
shall we not underuse?
shall you not underuse?
shall they not underuse?

V-ing form

shall I not be underusing?
shall you not be underusing?
shall she not be underusing?
shall we not be underusing?
shall you not be underusing?
shall they not be underusing?

Perfect

shall I not have underused?
shall you not have underused?
shall she not have underused?
shall we not have underused?
shall you not have underused?
shall they not have underused?

V-ing perfect

shall I not have been underusing?
shall you not have been underusing?
shall she not have been underusing?
shall we not have been underusing?
shall you not have been underusing?
shall they not have been underusing?

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