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