I'll be concertinaing you'll be concertinaing he'll be concertinaing we'll be concertinaing you'll be concertinaing they'll be concertinaing
Perfect
I'll have concertinaed you'll have concertinaed he'll have concertinaed we'll have concertinaed you'll have concertinaed they'll have concertinaed
V-ing perfect
I'll have been concertinaing you'll have been concertinaing he'll have been concertinaing we'll have been concertinaing you'll have been concertinaing they'll have been concertinaing
Negation
Simple form
I shan't concertina you shan't concertina he shan't concertina we shan't concertina you shan't concertina they shan't concertina
V-ing form
I shan't be concertinaing you shan't be concertinaing he shan't be concertinaing we shan't be concertinaing you shan't be concertinaing they shan't be concertinaing
Perfect
I shan't have concertinaed you shan't have concertinaed he shan't have concertinaed we shan't have concertinaed you shan't have concertinaed they shan't have concertinaed
V-ing perfect
I shan't have been concertinaing you shan't have been concertinaing he shan't have been concertinaing we shan't have been concertinaing you shan't have been concertinaing they shan't have been concertinaing
Interrogative form
Simple form
shall I concertina? shall you concertina? shall he concertina? shall we concertina? shall you concertina? shall they concertina?
V-ing form
shall I be concertinaing? shall you be concertinaing? shall he be concertinaing? shall we be concertinaing? shall you be concertinaing? shall they be concertinaing?
Perfect
shall I have concertinaed? shall you have concertinaed? shall he have concertinaed? shall we have concertinaed? shall you have concertinaed? shall they have concertinaed?
V-ing perfect
shall I have been concertinaing? shall you have been concertinaing? shall he have been concertinaing? shall we have been concertinaing? shall you have been concertinaing? shall they have been concertinaing?
Interro-negative form
Simple form
shan't I concertina? shan't you concertina? shan't he concertina? shan't we concertina? shan't you concertina? shan't they concertina?
V-ing form
shan't I be concertinaing? shan't you be concertinaing? shan't he be concertinaing? shan't we be concertinaing? shan't you be concertinaing? shan't they be concertinaing?
Perfect
shan't I have concertinaed? shan't you have concertinaed? shan't he have concertinaed? shan't we have concertinaed? shan't you have concertinaed? shan't they have concertinaed?
V-ing perfect
shan't I have been concertinaing? shan't you have been concertinaing? shan't he have been concertinaing? shan't we have been concertinaing? shan't you have been concertinaing? shan't they have been concertinaing?