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