English verb conjugation
OUGHT TO GAS

Regular verb: gas - gassed - gassed

Affirmation

Simple form	V-ing form
I ought to gas you ought to gas he ought to gas we ought to gas you ought to gas they ought to gas	I ought to be gassing you ought to be gassing he ought to be gassing we ought to be gassing you ought to be gassing they ought to be gassing
Perfect	V-ing perfect
I ought to have gassed you ought to have gassed he ought to have gassed we ought to have gassed you ought to have gassed they ought to have gassed	I ought to have been gassing you ought to have been gassing he ought to have been gassing we ought to have been gassing you ought to have been gassing they ought to have been gassing

Negation

Simple form	V-ing form
I oughtn't to gas you oughtn't to gas he oughtn't to gas we oughtn't to gas you oughtn't to gas they oughtn't to gas	I oughtn't to be gassing you oughtn't to be gassing he oughtn't to be gassing we oughtn't to be gassing you oughtn't to be gassing they oughtn't to be gassing
Perfect	V-ing perfect
I oughtn't to have gassed you oughtn't to have gassed he oughtn't to have gassed we oughtn't to have gassed you oughtn't to have gassed they oughtn't to have gassed	I oughtn't to have been gassing you oughtn't to have been gassing he oughtn't to have been gassing we oughtn't to have been gassing you oughtn't to have been gassing they oughtn't to have been gassing

Interrogative form

Simple form	V-ing form
ought to I gas? ought to you gas? ought to he gas? ought to we gas? ought to you gas? ought to they gas?	ought to I be gassing? ought to you be gassing? ought to he be gassing? ought to we be gassing? ought to you be gassing? ought to they be gassing?
Perfect	V-ing perfect
ought to I have gassed? ought to you have gassed? ought to he have gassed? ought to we have gassed? ought to you have gassed? ought to they have gassed?	ought to I have been gassing? ought to you have been gassing? ought to he have been gassing? ought to we have been gassing? ought to you have been gassing? ought to they have been gassing?

Interro-negative form

Simple form	V-ing form
oughtn't I to gas? oughtn't you to gas? oughtn't he to gas? oughtn't we to gas? oughtn't you to gas? oughtn't they to gas?	oughtn't I to be gassing? oughtn't you to be gassing? oughtn't he to be gassing? oughtn't we to be gassing? oughtn't you to be gassing? oughtn't they to be gassing?
Perfect	V-ing perfect
oughtn't I to have gassed? oughtn't you to have gassed? oughtn't he to have gassed? oughtn't we to have gassed? oughtn't you to have gassed? oughtn't they to have gassed?	oughtn't I to have been gassing? oughtn't you to have been gassing? oughtn't he to have been gassing? oughtn't we to have been gassing? oughtn't you to have been gassing? oughtn't they to have been gassing?