English verb conjugation
OUGHT TO CONCERTINA

Regular verb: concertina - concertinaed - concertinaed

Affirmation

Simple form	V-ing form
I ought to concertina you ought to concertina he ought to concertina we ought to concertina you ought to concertina they ought to concertina	I ought to be concertinaing you ought to be concertinaing he ought to be concertinaing we ought to be concertinaing you ought to be concertinaing they ought to be concertinaing
Perfect	V-ing perfect
I ought to have concertinaed you ought to have concertinaed he ought to have concertinaed we ought to have concertinaed you ought to have concertinaed they ought to have concertinaed	I ought to have been concertinaing you ought to have been concertinaing he ought to have been concertinaing we ought to have been concertinaing you ought to have been concertinaing they ought to have been concertinaing

Negation

Simple form	V-ing form
I ought not to concertina you ought not to concertina he ought not to concertina we ought not to concertina you ought not to concertina they ought not to concertina	I ought not to concertinaing you ought not to concertinaing he ought not to concertinaing we ought not to concertinaing you ought not to concertinaing they ought not to concertinaing
Perfect	V-ing perfect
I ought not to have concertinaed you ought not to have concertinaed he ought not to have concertinaed we ought not to have concertinaed you ought not to have concertinaed they ought not to have concertinaed	I ought not to have been concertinaing you ought not to have been concertinaing he ought not to have been concertinaing we ought not to have been concertinaing you ought not to have been concertinaing they ought not to have been concertinaing

Interrogative form

Simple form	V-ing form
ought to I concertina? ought to you concertina? ought to he concertina? ought to we concertina? ought to you concertina? ought to they concertina?	ought to I be concertinaing? ought to you be concertinaing? ought to he be concertinaing? ought to we be concertinaing? ought to you be concertinaing? ought to they be concertinaing?
Perfect	V-ing perfect
ought to I have concertinaed? ought to you have concertinaed? ought to he have concertinaed? ought to we have concertinaed? ought to you have concertinaed? ought to they have concertinaed?	ought to I have been concertinaing? ought to you have been concertinaing? ought to he have been concertinaing? ought to we have been concertinaing? ought to you have been concertinaing? ought to they have been concertinaing?

Interro-negative form

Simple form	V-ing form
ought I not to concertina? ought you not to concertina? ought he not to concertina? ought we not to concertina? ought you not to concertina? ought they not to concertina?	ought I not to be concertinaing? ought you not to be concertinaing? ought he not to be concertinaing? ought we not to be concertinaing? ought you not to be concertinaing? ought they not to be concertinaing?
Perfect	V-ing perfect
ought I not to have concertinaed? ought you not to have concertinaed? ought he not to have concertinaed? ought we not to have concertinaed? ought you not to have concertinaed? ought they not to have concertinaed?	ought I not to have been concertinaing? ought you not to have been concertinaing? ought he not to have been concertinaing? ought we not to have been concertinaing? ought you not to have been concertinaing? ought they not to have been concertinaing?