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