English verb conjugation
OUGHT TO AIRLIFT

Regular verb: airlift - airlifted - airlifted

Affirmation

Simple form	V-ing form
I ought to airlift you ought to airlift he ought to airlift we ought to airlift you ought to airlift they ought to airlift	I ought to be airlifting you ought to be airlifting he ought to be airlifting we ought to be airlifting you ought to be airlifting they ought to be airlifting
Perfect	V-ing perfect
I ought to have airlifted you ought to have airlifted he ought to have airlifted we ought to have airlifted you ought to have airlifted they ought to have airlifted	I ought to have been airlifting you ought to have been airlifting he ought to have been airlifting we ought to have been airlifting you ought to have been airlifting they ought to have been airlifting

Negation

Simple form	V-ing form
I oughtn't to airlift you oughtn't to airlift he oughtn't to airlift we oughtn't to airlift you oughtn't to airlift they oughtn't to airlift	I oughtn't to be airlifting you oughtn't to be airlifting he oughtn't to be airlifting we oughtn't to be airlifting you oughtn't to be airlifting they oughtn't to be airlifting
Perfect	V-ing perfect
I oughtn't to have airlifted you oughtn't to have airlifted he oughtn't to have airlifted we oughtn't to have airlifted you oughtn't to have airlifted they oughtn't to have airlifted	I oughtn't to have been airlifting you oughtn't to have been airlifting he oughtn't to have been airlifting we oughtn't to have been airlifting you oughtn't to have been airlifting they oughtn't to have been airlifting

Interrogative form

Simple form	V-ing form
ought to I airlift? ought to you airlift? ought to he airlift? ought to we airlift? ought to you airlift? ought to they airlift?	ought to I be airlifting? ought to you be airlifting? ought to he be airlifting? ought to we be airlifting? ought to you be airlifting? ought to they be airlifting?
Perfect	V-ing perfect
ought to I have airlifted? ought to you have airlifted? ought to he have airlifted? ought to we have airlifted? ought to you have airlifted? ought to they have airlifted?	ought to I have been airlifting? ought to you have been airlifting? ought to he have been airlifting? ought to we have been airlifting? ought to you have been airlifting? ought to they have been airlifting?

Interro-negative form

Simple form	V-ing form
oughtn't I to airlift? oughtn't you to airlift? oughtn't he to airlift? oughtn't we to airlift? oughtn't you to airlift? oughtn't they to airlift?	oughtn't I to be airlifting? oughtn't you to be airlifting? oughtn't he to be airlifting? oughtn't we to be airlifting? oughtn't you to be airlifting? oughtn't they to be airlifting?
Perfect	V-ing perfect
oughtn't I to have airlifted? oughtn't you to have airlifted? oughtn't he to have airlifted? oughtn't we to have airlifted? oughtn't you to have airlifted? oughtn't they to have airlifted?	oughtn't I to have been airlifting? oughtn't you to have been airlifting? oughtn't he to have been airlifting? oughtn't we to have been airlifting? oughtn't you to have been airlifting? oughtn't they to have been airlifting?