English verb conjugation
SHALL CONCERTINA

Regular verb: concertina - concertinaed - concertinaed

Affirmation

Simple form	V-ing form
I shall concertina you shall concertina she shall concertina we shall concertina you shall concertina they shall concertina	I shall be concertinaing you shall be concertinaing she shall be concertinaing we shall be concertinaing you shall be concertinaing they shall be concertinaing
Perfect	V-ing perfect
I shall have concertinaed you shall have concertinaed she shall have concertinaed we shall have concertinaed you shall have concertinaed they shall have concertinaed	I shall have been concertinaing you shall have been concertinaing she shall have been concertinaing we shall have been concertinaing you shall have been concertinaing they shall have been concertinaing

Negation

Simple form	V-ing form
I shall not concertina you shall not concertina she shall not concertina we shall not concertina you shall not concertina they shall not concertina	I shall not be concertinaing you shall not be concertinaing she shall not be concertinaing we shall not be concertinaing you shall not be concertinaing they shall not be concertinaing
Perfect	V-ing perfect
I shall not have concertinaed you shall not have concertinaed she shall not have concertinaed we shall not have concertinaed you shall not have concertinaed they shall not have concertinaed	I shall not have been concertinaing you shall not have been concertinaing she shall not have been concertinaing we shall not have been concertinaing you shall not have been concertinaing they shall not have been concertinaing

Interrogative form

Simple form	V-ing form
shall I concertina? shall you concertina? shall she concertina? shall we concertina? shall you concertina? shall they concertina?	shall I be concertinaing? shall you be concertinaing? shall she be concertinaing? shall we be concertinaing? shall you be concertinaing? shall they be concertinaing?
Perfect	V-ing perfect
shall I have concertinaed? shall you have concertinaed? shall she have concertinaed? shall we have concertinaed? shall you have concertinaed? shall they have concertinaed?	shall I have been concertinaing? shall you have been concertinaing? shall she have been concertinaing? shall we have been concertinaing? shall you have been concertinaing? shall they have been concertinaing?

Interro-negative form

Simple form	V-ing form
shall I not concertina? shall you not concertina? shall she not concertina? shall we not concertina? shall you not concertina? shall they not concertina?	shall I not be concertinaing? shall you not be concertinaing? shall she not be concertinaing? shall we not be concertinaing? shall you not be concertinaing? shall they not be concertinaing?
Perfect	V-ing perfect
shall I not have concertinaed? shall you not have concertinaed? shall she not have concertinaed? shall we not have concertinaed? shall you not have concertinaed? shall they not have concertinaed?	shall I not have been concertinaing? shall you not have been concertinaing? shall she not have been concertinaing? shall we not have been concertinaing? shall you not have been concertinaing? shall they not have been concertinaing?