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