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