I ought to apperceive you ought to apperceive he ought to apperceive we ought to apperceive you ought to apperceive they ought to apperceive
V-ing form
I ought to be apperceiving you ought to be apperceiving he ought to be apperceiving we ought to be apperceiving you ought to be apperceiving they ought to be apperceiving
Perfect
I ought to have apperceived you ought to have apperceived he ought to have apperceived we ought to have apperceived you ought to have apperceived they ought to have apperceived
V-ing perfect
I ought to have been apperceiving you ought to have been apperceiving he ought to have been apperceiving we ought to have been apperceiving you ought to have been apperceiving they ought to have been apperceiving
Negation
Simple form
I ought not to apperceive you ought not to apperceive he ought not to apperceive we ought not to apperceive you ought not to apperceive they ought not to apperceive
V-ing form
I ought not to apperceiving you ought not to apperceiving he ought not to apperceiving we ought not to apperceiving you ought not to apperceiving they ought not to apperceiving
Perfect
I ought not to have apperceived you ought not to have apperceived he ought not to have apperceived we ought not to have apperceived you ought not to have apperceived they ought not to have apperceived
V-ing perfect
I ought not to have been apperceiving you ought not to have been apperceiving he ought not to have been apperceiving we ought not to have been apperceiving you ought not to have been apperceiving they ought not to have been apperceiving
Interrogative form
Simple form
ought to I apperceive? ought to you apperceive? ought to he apperceive? ought to we apperceive? ought to you apperceive? ought to they apperceive?
V-ing form
ought to I be apperceiving? ought to you be apperceiving? ought to he be apperceiving? ought to we be apperceiving? ought to you be apperceiving? ought to they be apperceiving?
Perfect
ought to I have apperceived? ought to you have apperceived? ought to he have apperceived? ought to we have apperceived? ought to you have apperceived? ought to they have apperceived?
V-ing perfect
ought to I have been apperceiving? ought to you have been apperceiving? ought to he have been apperceiving? ought to we have been apperceiving? ought to you have been apperceiving? ought to they have been apperceiving?
Interro-negative form
Simple form
ought I not to apperceive? ought you not to apperceive? ought he not to apperceive? ought we not to apperceive? ought you not to apperceive? ought they not to apperceive?
V-ing form
ought I not to be apperceiving? ought you not to be apperceiving? ought he not to be apperceiving? ought we not to be apperceiving? ought you not to be apperceiving? ought they not to be apperceiving?
Perfect
ought I not to have apperceived? ought you not to have apperceived? ought he not to have apperceived? ought we not to have apperceived? ought you not to have apperceived? ought they not to have apperceived?
V-ing perfect
ought I not to have been apperceiving? ought you not to have been apperceiving? ought he not to have been apperceiving? ought we not to have been apperceiving? ought you not to have been apperceiving? ought they not to have been apperceiving?