I could houseclean you could houseclean she could houseclean we could houseclean you could houseclean they could houseclean
Forme en V-ing
I could be housecleaning you could be housecleaning she could be housecleaning we could be housecleaning you could be housecleaning they could be housecleaning
Perfect
I could have housecleaned you could have housecleaned she could have housecleaned we could have housecleaned you could have housecleaned they could have housecleaned
Perfect en V-ing
I could have been housecleaning you could have been housecleaning she could have been housecleaning we could have been housecleaning you could have been housecleaning they could have been housecleaning
Négation
Forme simple
I could not houseclean you could not houseclean she could not houseclean we could not houseclean you could not houseclean they could not houseclean
Forme en V-ing
I could not be housecleaning you could not be housecleaning she could not be housecleaning we could not be housecleaning you could not be housecleaning they could not be housecleaning
Perfect
I could not have housecleaned you could not have housecleaned she could not have housecleaned we could not have housecleaned you could not have housecleaned they could not have housecleaned
Perfect en V-ing
I could not have been housecleaning you could not have been housecleaning she could not have been housecleaning we could not have been housecleaning you could not have been housecleaning they could not have been housecleaning
Forme interrogative
Forme simple
could I houseclean? could you houseclean? could she houseclean? could we houseclean? could you houseclean? could they houseclean?
Forme en V-ing
could I be housecleaning? could you be housecleaning? could she be housecleaning? could we be housecleaning? could you be housecleaning? could they be housecleaning?
Perfect
could I have housecleaned? could you have housecleaned? could she have housecleaned? could we have housecleaned? could you have housecleaned? could they have housecleaned?
Perfect en V-ing
could I have been housecleaning? could you have been housecleaning? could she have been housecleaning? could we have been housecleaning? could you have been housecleaning? could they have been housecleaning?
Forme interro-négative
Forme simple
could I not houseclean? could you not houseclean? could she not houseclean? could we not houseclean? could you not houseclean? could they not houseclean?
Forme en V-ing
could I not be housecleaning? could you not be housecleaning? could she not be housecleaning? could we not be housecleaning? could you not be housecleaning? could they not be housecleaning?
Perfect
could I not have housecleaned? could you not have housecleaned? could she not have housecleaned? could we not have housecleaned? could you not have housecleaned? could they not have housecleaned?
Perfect en V-ing
could I not have been housecleaning? could you not have been housecleaning? could she not have been housecleaning? could we not have been housecleaning? could you not have been housecleaning? could they not have been housecleaning?