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 ought not to endeavour you ought not to endeavour he ought not to endeavour we ought not to endeavour you ought not to endeavour they ought not to endeavour
V-ing form
I ought not to endeavouring you ought not to endeavouring he ought not to endeavouring we ought not to endeavouring you ought not to endeavouring they ought not to endeavouring
Perfect
I ought not to have endeavoured you ought not to have endeavoured he ought not to have endeavoured we ought not to have endeavoured you ought not to have endeavoured they ought not to have endeavoured
V-ing perfect
I ought not to have been endeavouring you ought not to have been endeavouring he ought not to have been endeavouring we ought not to have been endeavouring you ought not to have been endeavouring they ought not 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
ought I not to endeavour? ought you not to endeavour? ought he not to endeavour? ought we not to endeavour? ought you not to endeavour? ought they not to endeavour?
V-ing form
ought I not to be endeavouring? ought you not to be endeavouring? ought he not to be endeavouring? ought we not to be endeavouring? ought you not to be endeavouring? ought they not to be endeavouring?
Perfect
ought I not to have endeavoured? ought you not to have endeavoured? ought he not to have endeavoured? ought we not to have endeavoured? ought you not to have endeavoured? ought they not to have endeavoured?
V-ing perfect
ought I not to have been endeavouring? ought you not to have been endeavouring? ought he not to have been endeavouring? ought we not to have been endeavouring? ought you not to have been endeavouring? ought they not to have been endeavouring?