English verb conjugation
OUGHT TO GRUMBLE

Regular verb: grumble - grumbled - grumbled

Affirmation

Simple form	V-ing form
I ought to grumble you ought to grumble he ought to grumble we ought to grumble you ought to grumble they ought to grumble	I ought to be grumbling you ought to be grumbling he ought to be grumbling we ought to be grumbling you ought to be grumbling they ought to be grumbling
Perfect	V-ing perfect
I ought to have grumbled you ought to have grumbled he ought to have grumbled we ought to have grumbled you ought to have grumbled they ought to have grumbled	I ought to have been grumbling you ought to have been grumbling he ought to have been grumbling we ought to have been grumbling you ought to have been grumbling they ought to have been grumbling

Negation

Simple form	V-ing form
I ought not to grumble you ought not to grumble he ought not to grumble we ought not to grumble you ought not to grumble they ought not to grumble	I ought not to grumbling you ought not to grumbling he ought not to grumbling we ought not to grumbling you ought not to grumbling they ought not to grumbling
Perfect	V-ing perfect
I ought not to have grumbled you ought not to have grumbled he ought not to have grumbled we ought not to have grumbled you ought not to have grumbled they ought not to have grumbled	I ought not to have been grumbling you ought not to have been grumbling he ought not to have been grumbling we ought not to have been grumbling you ought not to have been grumbling they ought not to have been grumbling

Interrogative form

Simple form	V-ing form
ought to I grumble? ought to you grumble? ought to he grumble? ought to we grumble? ought to you grumble? ought to they grumble?	ought to I be grumbling? ought to you be grumbling? ought to he be grumbling? ought to we be grumbling? ought to you be grumbling? ought to they be grumbling?
Perfect	V-ing perfect
ought to I have grumbled? ought to you have grumbled? ought to he have grumbled? ought to we have grumbled? ought to you have grumbled? ought to they have grumbled?	ought to I have been grumbling? ought to you have been grumbling? ought to he have been grumbling? ought to we have been grumbling? ought to you have been grumbling? ought to they have been grumbling?

Interro-negative form

Simple form	V-ing form
ought I not to grumble? ought you not to grumble? ought he not to grumble? ought we not to grumble? ought you not to grumble? ought they not to grumble?	ought I not to be grumbling? ought you not to be grumbling? ought he not to be grumbling? ought we not to be grumbling? ought you not to be grumbling? ought they not to be grumbling?
Perfect	V-ing perfect
ought I not to have grumbled? ought you not to have grumbled? ought he not to have grumbled? ought we not to have grumbled? ought you not to have grumbled? ought they not to have grumbled?	ought I not to have been grumbling? ought you not to have been grumbling? ought he not to have been grumbling? ought we not to have been grumbling? ought you not to have been grumbling? ought they not to have been grumbling?