I ought to sail you ought to sail she ought to sail we ought to sail you ought to sail they ought to sail
V-ing form
I ought to be sailing you ought to be sailing she ought to be sailing we ought to be sailing you ought to be sailing they ought to be sailing
Perfect
I ought to have sailed you ought to have sailed she ought to have sailed we ought to have sailed you ought to have sailed they ought to have sailed
V-ing perfect
I ought to have been sailing you ought to have been sailing she ought to have been sailing we ought to have been sailing you ought to have been sailing they ought to have been sailing
Negation
Simple form
I oughtn't to sail you oughtn't to sail she oughtn't to sail we oughtn't to sail you oughtn't to sail they oughtn't to sail
V-ing form
I oughtn't to be sailing you oughtn't to be sailing she oughtn't to be sailing we oughtn't to be sailing you oughtn't to be sailing they oughtn't to be sailing
Perfect
I oughtn't to have sailed you oughtn't to have sailed she oughtn't to have sailed we oughtn't to have sailed you oughtn't to have sailed they oughtn't to have sailed
V-ing perfect
I oughtn't to have been sailing you oughtn't to have been sailing she oughtn't to have been sailing we oughtn't to have been sailing you oughtn't to have been sailing they oughtn't to have been sailing
Interrogative form
Simple form
ought to I sail? ought to you sail? ought to she sail? ought to we sail? ought to you sail? ought to they sail?
V-ing form
ought to I be sailing? ought to you be sailing? ought to she be sailing? ought to we be sailing? ought to you be sailing? ought to they be sailing?
Perfect
ought to I have sailed? ought to you have sailed? ought to she have sailed? ought to we have sailed? ought to you have sailed? ought to they have sailed?
V-ing perfect
ought to I have been sailing? ought to you have been sailing? ought to she have been sailing? ought to we have been sailing? ought to you have been sailing? ought to they have been sailing?
Interro-negative form
Simple form
oughtn't I to sail? oughtn't you to sail? oughtn't she to sail? oughtn't we to sail? oughtn't you to sail? oughtn't they to sail?
V-ing form
oughtn't I to be sailing? oughtn't you to be sailing? oughtn't she to be sailing? oughtn't we to be sailing? oughtn't you to be sailing? oughtn't they to be sailing?
Perfect
oughtn't I to have sailed? oughtn't you to have sailed? oughtn't she to have sailed? oughtn't we to have sailed? oughtn't you to have sailed? oughtn't they to have sailed?
V-ing perfect
oughtn't I to have been sailing? oughtn't you to have been sailing? oughtn't she to have been sailing? oughtn't we to have been sailing? oughtn't you to have been sailing? oughtn't they to have been sailing?