English verb conjugation
OUGHT TO PURL

Regular verb: purl - purled - purled

Affirmation

Simple form	V-ing form
I ought to purl you ought to purl she ought to purl we ought to purl you ought to purl they ought to purl	I ought to be purling you ought to be purling she ought to be purling we ought to be purling you ought to be purling they ought to be purling
Perfect	V-ing perfect
I ought to have purled you ought to have purled she ought to have purled we ought to have purled you ought to have purled they ought to have purled	I ought to have been purling you ought to have been purling she ought to have been purling we ought to have been purling you ought to have been purling they ought to have been purling

Negation

Simple form	V-ing form
I ought not to purl you ought not to purl she ought not to purl we ought not to purl you ought not to purl they ought not to purl	I ought not to purling you ought not to purling she ought not to purling we ought not to purling you ought not to purling they ought not to purling
Perfect	V-ing perfect
I ought not to have purled you ought not to have purled she ought not to have purled we ought not to have purled you ought not to have purled they ought not to have purled	I ought not to have been purling you ought not to have been purling she ought not to have been purling we ought not to have been purling you ought not to have been purling they ought not to have been purling

Interrogative form

Simple form	V-ing form
ought to I purl? ought to you purl? ought to she purl? ought to we purl? ought to you purl? ought to they purl?	ought to I be purling? ought to you be purling? ought to she be purling? ought to we be purling? ought to you be purling? ought to they be purling?
Perfect	V-ing perfect
ought to I have purled? ought to you have purled? ought to she have purled? ought to we have purled? ought to you have purled? ought to they have purled?	ought to I have been purling? ought to you have been purling? ought to she have been purling? ought to we have been purling? ought to you have been purling? ought to they have been purling?

Interro-negative form

Simple form	V-ing form
ought I not to purl? ought you not to purl? ought she not to purl? ought we not to purl? ought you not to purl? ought they not to purl?	ought I not to be purling? ought you not to be purling? ought she not to be purling? ought we not to be purling? ought you not to be purling? ought they not to be purling?
Perfect	V-ing perfect
ought I not to have purled? ought you not to have purled? ought she not to have purled? ought we not to have purled? ought you not to have purled? ought they not to have purled?	ought I not to have been purling? ought you not to have been purling? ought she not to have been purling? ought we not to have been purling? ought you not to have been purling? ought they not to have been purling?