I can varnish you can varnish he can varnish we can varnish you can varnish they can varnish
Forme en V-ing
I can be varnishing you can be varnishing he can be varnishing we can be varnishing you can be varnishing they can be varnishing
Perfect
I can have varnished you can have varnished he can have varnished we can have varnished you can have varnished they can have varnished
Perfect en V-ing
I can have been varnishing you can have been varnishing he can have been varnishing we can have been varnishing you can have been varnishing they can have been varnishing
Négation
Forme simple
I cannot varnish you cannot varnish he cannot varnish we cannot varnish you cannot varnish they cannot varnish
Forme en V-ing
I cannot be varnishing you cannot be varnishing he cannot be varnishing we cannot be varnishing you cannot be varnishing they cannot be varnishing
Perfect
I cannot have varnished you cannot have varnished he cannot have varnished we cannot have varnished you cannot have varnished they cannot have varnished
Perfect en V-ing
I cannot have been varnishing you cannot have been varnishing he cannot have been varnishing we cannot have been varnishing you cannot have been varnishing they cannot have been varnishing
Forme interrogative
Forme simple
can I varnish? can you varnish? can he varnish? can we varnish? can you varnish? can they varnish?
Forme en V-ing
can I be varnishing? can you be varnishing? can he be varnishing? can we be varnishing? can you be varnishing? can they be varnishing?
Perfect
can I have varnished? can you have varnished? can he have varnished? can we have varnished? can you have varnished? can they have varnished?
Perfect en V-ing
can I have been varnishing? can you have been varnishing? can he have been varnishing? can we have been varnishing? can you have been varnishing? can they have been varnishing?
Forme interro-négative
Forme simple
can I not varnish? can you not varnish? can he not varnish? can we not varnish? can you not varnish? can they not varnish?
Forme en V-ing
can I not be varnishing? can you not be varnishing? can he not be varnishing? can we not be varnishing? can you not be varnishing? can they not be varnishing?
Perfect
can I not have varnished? can you not have varnished? can he not have varnished? can we not have varnished? can you not have varnished? can they not have varnished?
Perfect en V-ing
can I not have been varnishing? can you not have been varnishing? can he not have been varnishing? can we not have been varnishing? can you not have been varnishing? can they not have been varnishing?