English verb conjugation
OUGHT TO KNURL

Regular verb: knurl - knurled - knurled

Affirmation

Simple form	V-ing form
I ought to knurl you ought to knurl he ought to knurl we ought to knurl you ought to knurl they ought to knurl	I ought to be knurling you ought to be knurling he ought to be knurling we ought to be knurling you ought to be knurling they ought to be knurling
Perfect	V-ing perfect
I ought to have knurled you ought to have knurled he ought to have knurled we ought to have knurled you ought to have knurled they ought to have knurled	I ought to have been knurling you ought to have been knurling he ought to have been knurling we ought to have been knurling you ought to have been knurling they ought to have been knurling

Negation

Simple form	V-ing form
I ought not to knurl you ought not to knurl he ought not to knurl we ought not to knurl you ought not to knurl they ought not to knurl	I ought not to knurling you ought not to knurling he ought not to knurling we ought not to knurling you ought not to knurling they ought not to knurling
Perfect	V-ing perfect
I ought not to have knurled you ought not to have knurled he ought not to have knurled we ought not to have knurled you ought not to have knurled they ought not to have knurled	I ought not to have been knurling you ought not to have been knurling he ought not to have been knurling we ought not to have been knurling you ought not to have been knurling they ought not to have been knurling

Interrogative form

Simple form	V-ing form
ought to I knurl? ought to you knurl? ought to he knurl? ought to we knurl? ought to you knurl? ought to they knurl?	ought to I be knurling? ought to you be knurling? ought to he be knurling? ought to we be knurling? ought to you be knurling? ought to they be knurling?
Perfect	V-ing perfect
ought to I have knurled? ought to you have knurled? ought to he have knurled? ought to we have knurled? ought to you have knurled? ought to they have knurled?	ought to I have been knurling? ought to you have been knurling? ought to he have been knurling? ought to we have been knurling? ought to you have been knurling? ought to they have been knurling?

Interro-negative form

Simple form	V-ing form
ought I not to knurl? ought you not to knurl? ought he not to knurl? ought we not to knurl? ought you not to knurl? ought they not to knurl?	ought I not to be knurling? ought you not to be knurling? ought he not to be knurling? ought we not to be knurling? ought you not to be knurling? ought they not to be knurling?
Perfect	V-ing perfect
ought I not to have knurled? ought you not to have knurled? ought he not to have knurled? ought we not to have knurled? ought you not to have knurled? ought they not to have knurled?	ought I not to have been knurling? ought you not to have been knurling? ought he not to have been knurling? ought we not to have been knurling? ought you not to have been knurling? ought they not to have been knurling?