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