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 cannot rechromatograph you cannot rechromatograph he cannot rechromatograph we cannot rechromatograph you cannot rechromatograph they cannot rechromatograph
V-ing form
I cannot be rechromatographing you cannot be rechromatographing he cannot be rechromatographing we cannot be rechromatographing you cannot be rechromatographing they cannot be rechromatographing
Perfect
I cannot have rechromatographed you cannot have rechromatographed he cannot have rechromatographed we cannot have rechromatographed you cannot have rechromatographed they cannot have rechromatographed
V-ing perfect
I cannot have been rechromatographing you cannot have been rechromatographing he cannot have been rechromatographing we cannot have been rechromatographing you cannot have been rechromatographing they cannot 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 I not rechromatograph? can you not rechromatograph? can he not rechromatograph? can we not rechromatograph? can you not rechromatograph? can they not rechromatograph?
V-ing form
can I not be rechromatographing? can you not be rechromatographing? can he not be rechromatographing? can we not be rechromatographing? can you not be rechromatographing? can they not be rechromatographing?
Perfect
can I not have rechromatographed? can you not have rechromatographed? can he not have rechromatographed? can we not have rechromatographed? can you not have rechromatographed? can they not have rechromatographed?
V-ing perfect
can I not have been rechromatographing? can you not have been rechromatographing? can he not have been rechromatographing? can we not have been rechromatographing? can you not have been rechromatographing? can they not have been rechromatographing?