I could rechromatograph you could rechromatograph he could rechromatograph we could rechromatograph you could rechromatograph they could rechromatograph
Forme en V-ing
I could be rechromatographing you could be rechromatographing he could be rechromatographing we could be rechromatographing you could be rechromatographing they could be rechromatographing
Perfect
I could have rechromatographed you could have rechromatographed he could have rechromatographed we could have rechromatographed you could have rechromatographed they could have rechromatographed
Perfect en V-ing
I could have been rechromatographing you could have been rechromatographing he could have been rechromatographing we could have been rechromatographing you could have been rechromatographing they could have been rechromatographing
Négation
Forme simple
I couldn't rechromatograph you couldn't rechromatograph he couldn't rechromatograph we couldn't rechromatograph you couldn't rechromatograph they couldn't rechromatograph
Forme en V-ing
I couldn't be rechromatographing you couldn't be rechromatographing he couldn't be rechromatographing we couldn't be rechromatographing you couldn't be rechromatographing they couldn't be rechromatographing
Perfect
I couldn't have rechromatographed you couldn't have rechromatographed he couldn't have rechromatographed we couldn't have rechromatographed you couldn't have rechromatographed they couldn't have rechromatographed
Perfect en V-ing
I couldn't have been rechromatographing you couldn't have been rechromatographing he couldn't have been rechromatographing we couldn't have been rechromatographing you couldn't have been rechromatographing they couldn't have been rechromatographing
Forme interrogative
Forme simple
could I rechromatograph? could you rechromatograph? could he rechromatograph? could we rechromatograph? could you rechromatograph? could they rechromatograph?
Forme en V-ing
could I be rechromatographing? could you be rechromatographing? could he be rechromatographing? could we be rechromatographing? could you be rechromatographing? could they be rechromatographing?
Perfect
could I have rechromatographed? could you have rechromatographed? could he have rechromatographed? could we have rechromatographed? could you have rechromatographed? could they have rechromatographed?
Perfect en V-ing
could I have been rechromatographing? could you have been rechromatographing? could he have been rechromatographing? could we have been rechromatographing? could you have been rechromatographing? could they have been rechromatographing?
Forme interro-négative
Forme simple
couldn't I rechromatograph? couldn't you rechromatograph? couldn't he rechromatograph? couldn't we rechromatograph? couldn't you rechromatograph? couldn't they rechromatograph?
Forme en V-ing
couldn't I be rechromatographing? couldn't you be rechromatographing? couldn't he be rechromatographing? couldn't we be rechromatographing? couldn't you be rechromatographing? couldn't they be rechromatographing?
Perfect
couldn't I have rechromatographed? couldn't you have rechromatographed? couldn't he have rechromatographed? couldn't we have rechromatographed? couldn't you have rechromatographed? couldn't they have rechromatographed?
Perfect en V-ing
couldn't I have been rechromatographing? couldn't you have been rechromatographing? couldn't he have been rechromatographing? couldn't we have been rechromatographing? couldn't you have been rechromatographing? couldn't they have been rechromatographing?