English verb conjugation
OUGHT TO SURF

Regular verb: surf - surfed - surfed

Affirmation

Simple form	V-ing form
I ought to surf you ought to surf he ought to surf we ought to surf you ought to surf they ought to surf	I ought to be surfing you ought to be surfing he ought to be surfing we ought to be surfing you ought to be surfing they ought to be surfing
Perfect	V-ing perfect
I ought to have surfed you ought to have surfed he ought to have surfed we ought to have surfed you ought to have surfed they ought to have surfed	I ought to have been surfing you ought to have been surfing he ought to have been surfing we ought to have been surfing you ought to have been surfing they ought to have been surfing

Negation

Simple form	V-ing form
I oughtn't to surf you oughtn't to surf he oughtn't to surf we oughtn't to surf you oughtn't to surf they oughtn't to surf	I oughtn't to be surfing you oughtn't to be surfing he oughtn't to be surfing we oughtn't to be surfing you oughtn't to be surfing they oughtn't to be surfing
Perfect	V-ing perfect
I oughtn't to have surfed you oughtn't to have surfed he oughtn't to have surfed we oughtn't to have surfed you oughtn't to have surfed they oughtn't to have surfed	I oughtn't to have been surfing you oughtn't to have been surfing he oughtn't to have been surfing we oughtn't to have been surfing you oughtn't to have been surfing they oughtn't to have been surfing

Interrogative form

Simple form	V-ing form
ought to I surf? ought to you surf? ought to he surf? ought to we surf? ought to you surf? ought to they surf?	ought to I be surfing? ought to you be surfing? ought to he be surfing? ought to we be surfing? ought to you be surfing? ought to they be surfing?
Perfect	V-ing perfect
ought to I have surfed? ought to you have surfed? ought to he have surfed? ought to we have surfed? ought to you have surfed? ought to they have surfed?	ought to I have been surfing? ought to you have been surfing? ought to he have been surfing? ought to we have been surfing? ought to you have been surfing? ought to they have been surfing?

Interro-negative form

Simple form	V-ing form
oughtn't I to surf? oughtn't you to surf? oughtn't he to surf? oughtn't we to surf? oughtn't you to surf? oughtn't they to surf?	oughtn't I to be surfing? oughtn't you to be surfing? oughtn't he to be surfing? oughtn't we to be surfing? oughtn't you to be surfing? oughtn't they to be surfing?
Perfect	V-ing perfect
oughtn't I to have surfed? oughtn't you to have surfed? oughtn't he to have surfed? oughtn't we to have surfed? oughtn't you to have surfed? oughtn't they to have surfed?	oughtn't I to have been surfing? oughtn't you to have been surfing? oughtn't he to have been surfing? oughtn't we to have been surfing? oughtn't you to have been surfing? oughtn't they to have been surfing?