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