I may rechromatograph you may rechromatograph he may rechromatograph we may rechromatograph you may rechromatograph they may rechromatograph
V-ing form
I may be rechromatographing you may be rechromatographing he may be rechromatographing we may be rechromatographing you may be rechromatographing they may be rechromatographing
Perfect
I may have rechromatographed you may have rechromatographed he may have rechromatographed we may have rechromatographed you may have rechromatographed they may have rechromatographed
V-ing perfect
I may have been rechromatographing you may have been rechromatographing he may have been rechromatographing we may have been rechromatographing you may have been rechromatographing they may have been rechromatographing
Negation
Simple form
I mayn't rechromatograph you mayn't rechromatograph he mayn't rechromatograph we mayn't rechromatograph you mayn't rechromatograph they mayn't rechromatograph
V-ing form
I mayn't be rechromatographing you mayn't be rechromatographing he mayn't be rechromatographing we mayn't be rechromatographing you mayn't be rechromatographing they mayn't be rechromatographing
Perfect
I mayn't have rechromatographed you mayn't have rechromatographed he mayn't have rechromatographed we mayn't have rechromatographed you mayn't have rechromatographed they mayn't have rechromatographed
V-ing perfect
I mayn't have been rechromatographing you mayn't have been rechromatographing he mayn't have been rechromatographing we mayn't have been rechromatographing you mayn't have been rechromatographing they mayn't have been rechromatographing
Interrogative form
Simple form
may I rechromatograph? may you rechromatograph? may he rechromatograph? may we rechromatograph? may you rechromatograph? may they rechromatograph?
V-ing form
may I be rechromatographing? may you be rechromatographing? may he be rechromatographing? may we be rechromatographing? may you be rechromatographing? may they be rechromatographing?
Perfect
may I have rechromatographed? may you have rechromatographed? may he have rechromatographed? may we have rechromatographed? may you have rechromatographed? may they have rechromatographed?
V-ing perfect
may I have been rechromatographing? may you have been rechromatographing? may he have been rechromatographing? may we have been rechromatographing? may you have been rechromatographing? may they have been rechromatographing?
Interro-negative form
Simple form
mayn't I rechromatograph? mayn't you rechromatograph? mayn't he rechromatograph? mayn't we rechromatograph? mayn't you rechromatograph? mayn't they rechromatograph?
V-ing form
mayn't I be rechromatographing? mayn't you be rechromatographing? mayn't he be rechromatographing? mayn't we be rechromatographing? mayn't you be rechromatographing? mayn't they be rechromatographing?
Perfect
mayn't I have rechromatographed? mayn't you have rechromatographed? mayn't he have rechromatographed? mayn't we have rechromatographed? mayn't you have rechromatographed? mayn't they have rechromatographed?
V-ing perfect
mayn't I have been rechromatographing? mayn't you have been rechromatographing? mayn't he have been rechromatographing? mayn't we have been rechromatographing? mayn't you have been rechromatographing? mayn't they have been rechromatographing?