I'll be yawning you'll be yawning she'll be yawning we'll be yawning you'll be yawning they'll be yawning
Perfect
I'll have yawned you'll have yawned she'll have yawned we'll have yawned you'll have yawned they'll have yawned
V-ing perfect
I'll have been yawning you'll have been yawning she'll have been yawning we'll have been yawning you'll have been yawning they'll have been yawning
Negation
Simple form
I shan't yawn you shan't yawn she shan't yawn we shan't yawn you shan't yawn they shan't yawn
V-ing form
I shan't be yawning you shan't be yawning she shan't be yawning we shan't be yawning you shan't be yawning they shan't be yawning
Perfect
I shan't have yawned you shan't have yawned she shan't have yawned we shan't have yawned you shan't have yawned they shan't have yawned
V-ing perfect
I shan't have been yawning you shan't have been yawning she shan't have been yawning we shan't have been yawning you shan't have been yawning they shan't have been yawning
Interrogative form
Simple form
shall I yawn? shall you yawn? shall she yawn? shall we yawn? shall you yawn? shall they yawn?
V-ing form
shall I be yawning? shall you be yawning? shall she be yawning? shall we be yawning? shall you be yawning? shall they be yawning?
Perfect
shall I have yawned? shall you have yawned? shall she have yawned? shall we have yawned? shall you have yawned? shall they have yawned?
V-ing perfect
shall I have been yawning? shall you have been yawning? shall she have been yawning? shall we have been yawning? shall you have been yawning? shall they have been yawning?
Interro-negative form
Simple form
shan't I yawn? shan't you yawn? shan't she yawn? shan't we yawn? shan't you yawn? shan't they yawn?
V-ing form
shan't I be yawning? shan't you be yawning? shan't she be yawning? shan't we be yawning? shan't you be yawning? shan't they be yawning?
Perfect
shan't I have yawned? shan't you have yawned? shan't she have yawned? shan't we have yawned? shan't you have yawned? shan't they have yawned?
V-ing perfect
shan't I have been yawning? shan't you have been yawning? shan't she have been yawning? shan't we have been yawning? shan't you have been yawning? shan't they have been yawning?