I could varnish you could varnish he could varnish we could varnish you could varnish they could varnish
Forma con V-ing
I could be varnishing you could be varnishing he could be varnishing we could be varnishing you could be varnishing they could be varnishing
Perfecto
I could have varnished you could have varnished he could have varnished we could have varnished you could have varnished they could have varnished
Perfecto con V-ing
I could have been varnishing you could have been varnishing he could have been varnishing we could have been varnishing you could have been varnishing they could have been varnishing
Negación
Forma simple
I couldn't varnish you couldn't varnish he couldn't varnish we couldn't varnish you couldn't varnish they couldn't varnish
Forma con V-ing
I couldn't be varnishing you couldn't be varnishing he couldn't be varnishing we couldn't be varnishing you couldn't be varnishing they couldn't be varnishing
Perfecto
I couldn't have varnished you couldn't have varnished he couldn't have varnished we couldn't have varnished you couldn't have varnished they couldn't have varnished
Perfecto con V-ing
I couldn't have been varnishing you couldn't have been varnishing he couldn't have been varnishing we couldn't have been varnishing you couldn't have been varnishing they couldn't have been varnishing
Forma interrogativa
Forma simple
could I varnish? could you varnish? could he varnish? could we varnish? could you varnish? could they varnish?
Forma con V-ing
could I be varnishing? could you be varnishing? could he be varnishing? could we be varnishing? could you be varnishing? could they be varnishing?
Perfecto
could I have varnished? could you have varnished? could he have varnished? could we have varnished? could you have varnished? could they have varnished?
Perfecto con V-ing
could I have been varnishing? could you have been varnishing? could he have been varnishing? could we have been varnishing? could you have been varnishing? could they have been varnishing?
Forma interro-negativa
Forma simple
couldn't I varnish? couldn't you varnish? couldn't he varnish? couldn't we varnish? couldn't you varnish? couldn't they varnish?
Forma con V-ing
couldn't I be varnishing? couldn't you be varnishing? couldn't he be varnishing? couldn't we be varnishing? couldn't you be varnishing? couldn't they be varnishing?
Perfecto
couldn't I have varnished? couldn't you have varnished? couldn't he have varnished? couldn't we have varnished? couldn't you have varnished? couldn't they have varnished?
Perfecto con V-ing
couldn't I have been varnishing? couldn't you have been varnishing? couldn't he have been varnishing? couldn't we have been varnishing? couldn't you have been varnishing? couldn't they have been varnishing?