English verb conjugation
OUGHT TO FOSSILISE

Regular verb: fossilise - fossilised - fossilised

Affirmation

Simple form	V-ing form
I ought to fossilise you ought to fossilise he ought to fossilise we ought to fossilise you ought to fossilise they ought to fossilise	I ought to be fossilising you ought to be fossilising he ought to be fossilising we ought to be fossilising you ought to be fossilising they ought to be fossilising
Perfect	V-ing perfect
I ought to have fossilised you ought to have fossilised he ought to have fossilised we ought to have fossilised you ought to have fossilised they ought to have fossilised	I ought to have been fossilising you ought to have been fossilising he ought to have been fossilising we ought to have been fossilising you ought to have been fossilising they ought to have been fossilising

Negation

Simple form	V-ing form
I oughtn't to fossilise you oughtn't to fossilise he oughtn't to fossilise we oughtn't to fossilise you oughtn't to fossilise they oughtn't to fossilise	I oughtn't to be fossilising you oughtn't to be fossilising he oughtn't to be fossilising we oughtn't to be fossilising you oughtn't to be fossilising they oughtn't to be fossilising
Perfect	V-ing perfect
I oughtn't to have fossilised you oughtn't to have fossilised he oughtn't to have fossilised we oughtn't to have fossilised you oughtn't to have fossilised they oughtn't to have fossilised	I oughtn't to have been fossilising you oughtn't to have been fossilising he oughtn't to have been fossilising we oughtn't to have been fossilising you oughtn't to have been fossilising they oughtn't to have been fossilising

Interrogative form

Simple form	V-ing form
ought to I fossilise? ought to you fossilise? ought to he fossilise? ought to we fossilise? ought to you fossilise? ought to they fossilise?	ought to I be fossilising? ought to you be fossilising? ought to he be fossilising? ought to we be fossilising? ought to you be fossilising? ought to they be fossilising?
Perfect	V-ing perfect
ought to I have fossilised? ought to you have fossilised? ought to he have fossilised? ought to we have fossilised? ought to you have fossilised? ought to they have fossilised?	ought to I have been fossilising? ought to you have been fossilising? ought to he have been fossilising? ought to we have been fossilising? ought to you have been fossilising? ought to they have been fossilising?

Interro-negative form

Simple form	V-ing form
oughtn't I to fossilise? oughtn't you to fossilise? oughtn't he to fossilise? oughtn't we to fossilise? oughtn't you to fossilise? oughtn't they to fossilise?	oughtn't I to be fossilising? oughtn't you to be fossilising? oughtn't he to be fossilising? oughtn't we to be fossilising? oughtn't you to be fossilising? oughtn't they to be fossilising?
Perfect	V-ing perfect
oughtn't I to have fossilised? oughtn't you to have fossilised? oughtn't he to have fossilised? oughtn't we to have fossilised? oughtn't you to have fossilised? oughtn't they to have fossilised?	oughtn't I to have been fossilising? oughtn't you to have been fossilising? oughtn't he to have been fossilising? oughtn't we to have been fossilising? oughtn't you to have been fossilising? oughtn't they to have been fossilising?