I should fasten you should fasten he should fasten we should fasten you should fasten they should fasten
Forme en V-ing
I should be fastening you should be fastening he should be fastening we should be fastening you should be fastening they should be fastening
Perfect
I should have fastened you should have fastened he should have fastened we should have fastened you should have fastened they should have fastened
Perfect en V-ing
I should have been fastening you should have been fastening he should have been fastening we should have been fastening you should have been fastening they should have been fastening
Négation
Forme simple
I should not fasten you should not fasten he should not fasten we should not fasten you should not fasten they should not fasten
Forme en V-ing
I should not be fastening you should not be fastening he should not be fastening we should not be fastening you should not be fastening they should not be fastening
Perfect
I should not have fastened you should not have fastened he should not have fastened we should not have fastened you should not have fastened they should not have fastened
Perfect en V-ing
I should not have been fastening you should not have been fastening he should not have been fastening we should not have been fastening you should not have been fastening they should not have been fastening
Forme interrogative
Forme simple
should I fasten? should you fasten? should he fasten? should we fasten? should you fasten? should they fasten?
Forme en V-ing
should I be fastening? should you be fastening? should he be fastening? should we be fastening? should you be fastening? should they be fastening?
Perfect
should I have fastened? should you have fastened? should he have fastened? should we have fastened? should you have fastened? should they have fastened?
Perfect en V-ing
should I have been fastening? should you have been fastening? should he have been fastening? should we have been fastening? should you have been fastening? should they have been fastening?
Forme interro-négative
Forme simple
should I not fasten? should you not fasten? should he not fasten? should we not fasten? should you not fasten? should they not fasten?
Forme en V-ing
should I not be fastening? should you not be fastening? should he not be fastening? should we not be fastening? should you not be fastening? should they not be fastening?
Perfect
should I not have fastened? should you not have fastened? should he not have fastened? should we not have fastened? should you not have fastened? should they not have fastened?
Perfect en V-ing
should I not have been fastening? should you not have been fastening? should he not have been fastening? should we not have been fastening? should you not have been fastening? should they not have been fastening?