English verb conjugation
OUGHT TO CROAK

Regular verb: croak - croaked - croaked

Affirmation

Simple form	V-ing form
I ought to croak you ought to croak he ought to croak we ought to croak you ought to croak they ought to croak	I ought to be croaking you ought to be croaking he ought to be croaking we ought to be croaking you ought to be croaking they ought to be croaking
Perfect	V-ing perfect
I ought to have croaked you ought to have croaked he ought to have croaked we ought to have croaked you ought to have croaked they ought to have croaked	I ought to have been croaking you ought to have been croaking he ought to have been croaking we ought to have been croaking you ought to have been croaking they ought to have been croaking

Negation

Simple form	V-ing form
I ought not to croak you ought not to croak he ought not to croak we ought not to croak you ought not to croak they ought not to croak	I ought not to croaking you ought not to croaking he ought not to croaking we ought not to croaking you ought not to croaking they ought not to croaking
Perfect	V-ing perfect
I ought not to have croaked you ought not to have croaked he ought not to have croaked we ought not to have croaked you ought not to have croaked they ought not to have croaked	I ought not to have been croaking you ought not to have been croaking he ought not to have been croaking we ought not to have been croaking you ought not to have been croaking they ought not to have been croaking

Interrogative form

Simple form	V-ing form
ought to I croak? ought to you croak? ought to he croak? ought to we croak? ought to you croak? ought to they croak?	ought to I be croaking? ought to you be croaking? ought to he be croaking? ought to we be croaking? ought to you be croaking? ought to they be croaking?
Perfect	V-ing perfect
ought to I have croaked? ought to you have croaked? ought to he have croaked? ought to we have croaked? ought to you have croaked? ought to they have croaked?	ought to I have been croaking? ought to you have been croaking? ought to he have been croaking? ought to we have been croaking? ought to you have been croaking? ought to they have been croaking?

Interro-negative form

Simple form	V-ing form
ought I not to croak? ought you not to croak? ought he not to croak? ought we not to croak? ought you not to croak? ought they not to croak?	ought I not to be croaking? ought you not to be croaking? ought he not to be croaking? ought we not to be croaking? ought you not to be croaking? ought they not to be croaking?
Perfect	V-ing perfect
ought I not to have croaked? ought you not to have croaked? ought he not to have croaked? ought we not to have croaked? ought you not to have croaked? ought they not to have croaked?	ought I not to have been croaking? ought you not to have been croaking? ought he not to have been croaking? ought we not to have been croaking? ought you not to have been croaking? ought they not to have been croaking?