do I butter? do you butter? does she butter? do we butter? do you butter? do they butter?
Presente continuo
am I buttering? are you buttering? is she buttering? are we buttering? are you buttering? are they buttering?
Pretérito
did I butter? did you butter? did she butter? did we butter? did you butter? did they butter?
Pretérito continuo
was I buttering? were you buttering? was she buttering? were we buttering? were you buttering? were they buttering?
Presente perfecto
have I buttered? have you buttered? has she buttered? have we buttered? have you buttered? have they buttered?
Presente perfecto continuo
have I been buttering? have you been buttering? has she been buttering? have we been buttering? have you been buttering? have they been buttering?
Pluscuamperfecto
had I buttered? had you buttered? had she buttered? had we buttered? had you buttered? had they buttered?
Pluscuamperfecto continuo
had I been buttering? had you been buttering? had she been buttering? had we been buttering? had you been buttering? had they been buttering?
Futuro simple
will I butter? will you butter? will she butter? will we butter? will you butter? will they butter?
Futuro continuo
will I be buttering? will you be buttering? will she be buttering? will we be buttering? will you be buttering? will they be buttering?
Futuro perfecto
will I have buttered? will you have buttered? will she have buttered? will we have buttered? will you have buttered? will they have buttered?
Futuro perfecto contínuo
will I have been buttering? will you have been buttering? will she have been buttering? will we have been buttering? will you have been buttering? will they have been buttering?
Condicional
Presente
would I butter? would you butter? would she butter? would we butter? would you butter? would they butter?
Presente continuo
would I be buttering? would you be buttering? would she be buttering? would we be buttering? would you be buttering? would they be buttering?
Passado
would I have buttered? would you have buttered? would she have buttered? would we have buttered? would you have buttered? would they have buttered?
Passado continuo
would I have been buttering? would you have been buttering? would she have been buttering? would we have been buttering? would you have been buttering? would they have been buttering?