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