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