English verb conjugation
OUGHT TO WHISTLE

Regular verb: whistle - whistled - whistled

Affirmation

Simple form	V-ing form
I ought to whistle you ought to whistle she ought to whistle we ought to whistle you ought to whistle they ought to whistle	I ought to be whistling you ought to be whistling she ought to be whistling we ought to be whistling you ought to be whistling they ought to be whistling
Perfect	V-ing perfect
I ought to have whistled you ought to have whistled she ought to have whistled we ought to have whistled you ought to have whistled they ought to have whistled	I ought to have been whistling you ought to have been whistling she ought to have been whistling we ought to have been whistling you ought to have been whistling they ought to have been whistling

Negation

Simple form	V-ing form
I ought not to whistle you ought not to whistle she ought not to whistle we ought not to whistle you ought not to whistle they ought not to whistle	I ought not to whistling you ought not to whistling she ought not to whistling we ought not to whistling you ought not to whistling they ought not to whistling
Perfect	V-ing perfect
I ought not to have whistled you ought not to have whistled she ought not to have whistled we ought not to have whistled you ought not to have whistled they ought not to have whistled	I ought not to have been whistling you ought not to have been whistling she ought not to have been whistling we ought not to have been whistling you ought not to have been whistling they ought not to have been whistling

Interrogative form

Simple form	V-ing form
ought to I whistle? ought to you whistle? ought to she whistle? ought to we whistle? ought to you whistle? ought to they whistle?	ought to I be whistling? ought to you be whistling? ought to she be whistling? ought to we be whistling? ought to you be whistling? ought to they be whistling?
Perfect	V-ing perfect
ought to I have whistled? ought to you have whistled? ought to she have whistled? ought to we have whistled? ought to you have whistled? ought to they have whistled?	ought to I have been whistling? ought to you have been whistling? ought to she have been whistling? ought to we have been whistling? ought to you have been whistling? ought to they have been whistling?

Interro-negative form

Simple form	V-ing form
ought I not to whistle? ought you not to whistle? ought she not to whistle? ought we not to whistle? ought you not to whistle? ought they not to whistle?	ought I not to be whistling? ought you not to be whistling? ought she not to be whistling? ought we not to be whistling? ought you not to be whistling? ought they not to be whistling?
Perfect	V-ing perfect
ought I not to have whistled? ought you not to have whistled? ought she not to have whistled? ought we not to have whistled? ought you not to have whistled? ought they not to have whistled?	ought I not to have been whistling? ought you not to have been whistling? ought she not to have been whistling? ought we not to have been whistling? ought you not to have been whistling? ought they not to have been whistling?