English verb conjugation
OUGHT TO INTERFUSE

Regular verb: interfuse - interfused - interfused

Affirmation

Simple form	V-ing form
I ought to interfuse you ought to interfuse she ought to interfuse we ought to interfuse you ought to interfuse they ought to interfuse	I ought to be interfusing you ought to be interfusing she ought to be interfusing we ought to be interfusing you ought to be interfusing they ought to be interfusing
Perfect	V-ing perfect
I ought to have interfused you ought to have interfused she ought to have interfused we ought to have interfused you ought to have interfused they ought to have interfused	I ought to have been interfusing you ought to have been interfusing she ought to have been interfusing we ought to have been interfusing you ought to have been interfusing they ought to have been interfusing

Negation

Simple form	V-ing form
I oughtn't to interfuse you oughtn't to interfuse she oughtn't to interfuse we oughtn't to interfuse you oughtn't to interfuse they oughtn't to interfuse	I oughtn't to be interfusing you oughtn't to be interfusing she oughtn't to be interfusing we oughtn't to be interfusing you oughtn't to be interfusing they oughtn't to be interfusing
Perfect	V-ing perfect
I oughtn't to have interfused you oughtn't to have interfused she oughtn't to have interfused we oughtn't to have interfused you oughtn't to have interfused they oughtn't to have interfused	I oughtn't to have been interfusing you oughtn't to have been interfusing she oughtn't to have been interfusing we oughtn't to have been interfusing you oughtn't to have been interfusing they oughtn't to have been interfusing

Interrogative form

Simple form	V-ing form
ought to I interfuse? ought to you interfuse? ought to she interfuse? ought to we interfuse? ought to you interfuse? ought to they interfuse?	ought to I be interfusing? ought to you be interfusing? ought to she be interfusing? ought to we be interfusing? ought to you be interfusing? ought to they be interfusing?
Perfect	V-ing perfect
ought to I have interfused? ought to you have interfused? ought to she have interfused? ought to we have interfused? ought to you have interfused? ought to they have interfused?	ought to I have been interfusing? ought to you have been interfusing? ought to she have been interfusing? ought to we have been interfusing? ought to you have been interfusing? ought to they have been interfusing?

Interro-negative form

Simple form	V-ing form
oughtn't I to interfuse? oughtn't you to interfuse? oughtn't she to interfuse? oughtn't we to interfuse? oughtn't you to interfuse? oughtn't they to interfuse?	oughtn't I to be interfusing? oughtn't you to be interfusing? oughtn't she to be interfusing? oughtn't we to be interfusing? oughtn't you to be interfusing? oughtn't they to be interfusing?
Perfect	V-ing perfect
oughtn't I to have interfused? oughtn't you to have interfused? oughtn't she to have interfused? oughtn't we to have interfused? oughtn't you to have interfused? oughtn't they to have interfused?	oughtn't I to have been interfusing? oughtn't you to have been interfusing? oughtn't she to have been interfusing? oughtn't we to have been interfusing? oughtn't you to have been interfusing? oughtn't they to have been interfusing?