I could iterate you could iterate she could iterate we could iterate you could iterate they could iterate
Forme en V-ing
I could be iterating you could be iterating she could be iterating we could be iterating you could be iterating they could be iterating
Perfect
I could have iterated you could have iterated she could have iterated we could have iterated you could have iterated they could have iterated
Perfect en V-ing
I could have been iterating you could have been iterating she could have been iterating we could have been iterating you could have been iterating they could have been iterating
Négation
Forme simple
I couldn't iterate you couldn't iterate she couldn't iterate we couldn't iterate you couldn't iterate they couldn't iterate
Forme en V-ing
I couldn't be iterating you couldn't be iterating she couldn't be iterating we couldn't be iterating you couldn't be iterating they couldn't be iterating
Perfect
I couldn't have iterated you couldn't have iterated she couldn't have iterated we couldn't have iterated you couldn't have iterated they couldn't have iterated
Perfect en V-ing
I couldn't have been iterating you couldn't have been iterating she couldn't have been iterating we couldn't have been iterating you couldn't have been iterating they couldn't have been iterating
Forme interrogative
Forme simple
could I iterate? could you iterate? could she iterate? could we iterate? could you iterate? could they iterate?
Forme en V-ing
could I be iterating? could you be iterating? could she be iterating? could we be iterating? could you be iterating? could they be iterating?
Perfect
could I have iterated? could you have iterated? could she have iterated? could we have iterated? could you have iterated? could they have iterated?
Perfect en V-ing
could I have been iterating? could you have been iterating? could she have been iterating? could we have been iterating? could you have been iterating? could they have been iterating?
Forme interro-négative
Forme simple
couldn't I iterate? couldn't you iterate? couldn't she iterate? couldn't we iterate? couldn't you iterate? couldn't they iterate?
Forme en V-ing
couldn't I be iterating? couldn't you be iterating? couldn't she be iterating? couldn't we be iterating? couldn't you be iterating? couldn't they be iterating?
Perfect
couldn't I have iterated? couldn't you have iterated? couldn't she have iterated? couldn't we have iterated? couldn't you have iterated? couldn't they have iterated?
Perfect en V-ing
couldn't I have been iterating? couldn't you have been iterating? couldn't she have been iterating? couldn't we have been iterating? couldn't you have been iterating? couldn't they have been iterating?