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