ought to trip
Regular verb: trip - tripped- tripped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?