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