I ought to piggyback you ought to piggyback he ought to piggyback we ought to piggyback you ought to piggyback they ought to piggyback
V-ing form
I ought to be piggybacking you ought to be piggybacking he ought to be piggybacking we ought to be piggybacking you ought to be piggybacking they ought to be piggybacking
Perfect
I ought to have piggybacked you ought to have piggybacked he ought to have piggybacked we ought to have piggybacked you ought to have piggybacked they ought to have piggybacked
V-ing perfect
I ought to have been piggybacking you ought to have been piggybacking he ought to have been piggybacking we ought to have been piggybacking you ought to have been piggybacking they ought to have been piggybacking
Negation
Simple form
I oughtn't to piggyback you oughtn't to piggyback he oughtn't to piggyback we oughtn't to piggyback you oughtn't to piggyback they oughtn't to piggyback
V-ing form
I oughtn't to be piggybacking you oughtn't to be piggybacking he oughtn't to be piggybacking we oughtn't to be piggybacking you oughtn't to be piggybacking they oughtn't to be piggybacking
Perfect
I oughtn't to have piggybacked you oughtn't to have piggybacked he oughtn't to have piggybacked we oughtn't to have piggybacked you oughtn't to have piggybacked they oughtn't to have piggybacked
V-ing perfect
I oughtn't to have been piggybacking you oughtn't to have been piggybacking he oughtn't to have been piggybacking we oughtn't to have been piggybacking you oughtn't to have been piggybacking they oughtn't to have been piggybacking
Interrogative form
Simple form
ought to I piggyback? ought to you piggyback? ought to he piggyback? ought to we piggyback? ought to you piggyback? ought to they piggyback?
V-ing form
ought to I be piggybacking? ought to you be piggybacking? ought to he be piggybacking? ought to we be piggybacking? ought to you be piggybacking? ought to they be piggybacking?
Perfect
ought to I have piggybacked? ought to you have piggybacked? ought to he have piggybacked? ought to we have piggybacked? ought to you have piggybacked? ought to they have piggybacked?
V-ing perfect
ought to I have been piggybacking? ought to you have been piggybacking? ought to he have been piggybacking? ought to we have been piggybacking? ought to you have been piggybacking? ought to they have been piggybacking?
Interro-negative form
Simple form
oughtn't I to piggyback? oughtn't you to piggyback? oughtn't he to piggyback? oughtn't we to piggyback? oughtn't you to piggyback? oughtn't they to piggyback?
V-ing form
oughtn't I to be piggybacking? oughtn't you to be piggybacking? oughtn't he to be piggybacking? oughtn't we to be piggybacking? oughtn't you to be piggybacking? oughtn't they to be piggybacking?
Perfect
oughtn't I to have piggybacked? oughtn't you to have piggybacked? oughtn't he to have piggybacked? oughtn't we to have piggybacked? oughtn't you to have piggybacked? oughtn't they to have piggybacked?
V-ing perfect
oughtn't I to have been piggybacking? oughtn't you to have been piggybacking? oughtn't he to have been piggybacking? oughtn't we to have been piggybacking? oughtn't you to have been piggybacking? oughtn't they to have been piggybacking?