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