shall concave
Verbe régulier : concave - concaved- concaved

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'll concave
you'll concave
he'll concave
we'll concave
you'll concave
they'll concave 	I'll be concaving
you'll be concaving
he'll be concaving
we'll be concaving
you'll be concaving
they'll be concaving	I'll have concaved
you'll have concaved
he'll have concaved
we'll have concaved
you'll have concaved
they'll have concaved	I'll have been concaving
you'll have been concaving
he'll have been concaving
we'll have been concaving
you'll have been concaving
they'll have been concaving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shan't concave
you shan't concave
he shan't concave
we shan't concave
you shan't concave
they shan't concave 	I shan't be concaving
you shan't be concaving
he shan't be concaving
we shan't be concaving
you shan't be concaving
they shan't be concaving	I shan't have concaved
you shan't have concaved
he shan't have concaved
we shan't have concaved
you shan't have concaved
they shan't have concaved	I shan't have been concaving
you shan't have been concaving
he shan't have been concaving
we shan't have been concaving
you shan't have been concaving
they shan't have been concaving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I concave?
shall you concave?
shall he concave?
shall we concave?
shall you concave?
shall they concave? 	shall I be concaving?
shall you be concaving?
shall he be concaving?
shall we be concaving?
shall you be concaving?
shall they be concaving? 	shall I have concaved?
shall you have concaved?
shall he have concaved?
shall we have concaved?
shall you have concaved?
shall they have concaved? 	shall I have been concaving?
shall you have been concaving?
shall he have been concaving?
shall we have been concaving?
shall you have been concaving?
shall they have been concaving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shan't I concave?
shan't you concave?
shan't he concave?
shan't we concave?
shan't you concave?
shan't they concave? 	shan't I be concaving?
shan't you be concaving?
shan't he be concaving?
shan't we be concaving?
shan't you be concaving?
shan't they be concaving? 	shan't I have concaved?
shan't you have concaved?
shan't he have concaved?
shan't we have concaved?
shan't you have concaved?
shan't they have concaved? 	shan't I have been concaving?
shan't you have been concaving?
shan't he have been concaving?
shan't we have been concaving?
shan't you have been concaving?
shan't they have been concaving?