I ought to rechromatograph you ought to rechromatograph he ought to rechromatograph we ought to rechromatograph you ought to rechromatograph they ought to rechromatograph
V-ing form
I ought to be rechromatographing you ought to be rechromatographing he ought to be rechromatographing we ought to be rechromatographing you ought to be rechromatographing they ought to be rechromatographing
Perfect
I ought to have rechromatographed you ought to have rechromatographed he ought to have rechromatographed we ought to have rechromatographed you ought to have rechromatographed they ought to have rechromatographed
V-ing perfect
I ought to have been rechromatographing you ought to have been rechromatographing he ought to have been rechromatographing we ought to have been rechromatographing you ought to have been rechromatographing they ought to have been rechromatographing
Negation
Simple form
I ought not to rechromatograph you ought not to rechromatograph he ought not to rechromatograph we ought not to rechromatograph you ought not to rechromatograph they ought not to rechromatograph
V-ing form
I ought not to rechromatographing you ought not to rechromatographing he ought not to rechromatographing we ought not to rechromatographing you ought not to rechromatographing they ought not to rechromatographing
Perfect
I ought not to have rechromatographed you ought not to have rechromatographed he ought not to have rechromatographed we ought not to have rechromatographed you ought not to have rechromatographed they ought not to have rechromatographed
V-ing perfect
I ought not to have been rechromatographing you ought not to have been rechromatographing he ought not to have been rechromatographing we ought not to have been rechromatographing you ought not to have been rechromatographing they ought not to have been rechromatographing
Interrogative form
Simple form
ought to I rechromatograph? ought to you rechromatograph? ought to he rechromatograph? ought to we rechromatograph? ought to you rechromatograph? ought to they rechromatograph?
V-ing form
ought to I be rechromatographing? ought to you be rechromatographing? ought to he be rechromatographing? ought to we be rechromatographing? ought to you be rechromatographing? ought to they be rechromatographing?
Perfect
ought to I have rechromatographed? ought to you have rechromatographed? ought to he have rechromatographed? ought to we have rechromatographed? ought to you have rechromatographed? ought to they have rechromatographed?
V-ing perfect
ought to I have been rechromatographing? ought to you have been rechromatographing? ought to he have been rechromatographing? ought to we have been rechromatographing? ought to you have been rechromatographing? ought to they have been rechromatographing?
Interro-negative form
Simple form
ought I not to rechromatograph? ought you not to rechromatograph? ought he not to rechromatograph? ought we not to rechromatograph? ought you not to rechromatograph? ought they not to rechromatograph?
V-ing form
ought I not to be rechromatographing? ought you not to be rechromatographing? ought he not to be rechromatographing? ought we not to be rechromatographing? ought you not to be rechromatographing? ought they not to be rechromatographing?
Perfect
ought I not to have rechromatographed? ought you not to have rechromatographed? ought he not to have rechromatographed? ought we not to have rechromatographed? ought you not to have rechromatographed? ought they not to have rechromatographed?
V-ing perfect
ought I not to have been rechromatographing? ought you not to have been rechromatographing? ought he not to have been rechromatographing? ought we not to have been rechromatographing? ought you not to have been rechromatographing? ought they not to have been rechromatographing?