English verb conjugation
OUGHT TO TRIP

Regular verb: trip - tripped - tripped

Affirmation

Simple form	V-ing form
I ought to trip you ought to trip he ought to trip we ought to trip you ought to trip they ought to trip	I ought to be tripping you ought to be tripping he ought to be tripping we ought to be tripping you ought to be tripping they ought to be tripping
Perfect	V-ing perfect
I ought to have tripped you ought to have tripped he ought to have tripped we ought to have tripped you ought to have tripped they ought to have tripped	I ought to have been tripping you ought to have been tripping he ought to have been tripping we ought to have been tripping you ought to have been tripping they ought to have been tripping

Negation

Simple form	V-ing form
I oughtn't to trip you oughtn't to trip he oughtn't to trip we oughtn't to trip you oughtn't to trip they oughtn't to trip	I oughtn't to be tripping you oughtn't to be tripping he oughtn't to be tripping we oughtn't to be tripping you oughtn't to be tripping they oughtn't to be tripping
Perfect	V-ing perfect
I oughtn't to have tripped you oughtn't to have tripped he oughtn't to have tripped we oughtn't to have tripped you oughtn't to have tripped they oughtn't to have tripped	I oughtn't to have been tripping you oughtn't to have been tripping he oughtn't to have been tripping we oughtn't to have been tripping you oughtn't to have been tripping they oughtn't to have been tripping

Interrogative form

Simple form	V-ing form
ought to I trip? ought to you trip? ought to he trip? ought to we trip? ought to you trip? ought to they trip?	ought to I be tripping? ought to you be tripping? ought to he be tripping? ought to we be tripping? ought to you be tripping? ought to they be tripping?
Perfect	V-ing perfect
ought to I have tripped? ought to you have tripped? ought to he have tripped? ought to we have tripped? ought to you have tripped? ought to they have tripped?	ought to I have been tripping? ought to you have been tripping? ought to he have been tripping? ought to we have been tripping? ought to you have been tripping? ought to they have been tripping?

Interro-negative form

Simple form	V-ing form
oughtn't I to trip? oughtn't you to trip? oughtn't he to trip? oughtn't we to trip? oughtn't you to trip? oughtn't they to trip?	oughtn't I to be tripping? oughtn't you to be tripping? oughtn't he to be tripping? oughtn't we to be tripping? oughtn't you to be tripping? oughtn't they to be tripping?
Perfect	V-ing perfect
oughtn't I to have tripped? oughtn't you to have tripped? oughtn't he to have tripped? oughtn't we to have tripped? oughtn't you to have tripped? oughtn't they to have tripped?	oughtn't I to have been tripping? oughtn't you to have been tripping? oughtn't he to have been tripping? oughtn't we to have been tripping? oughtn't you to have been tripping? oughtn't they to have been tripping?