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