do I modify? do you modify? does he modify? do we modify? do you modify? do they modify?
Presente contínuo
am I modifying? are you modifying? is he modifying? are we modifying? are you modifying? are they modifying?
Pretérito
did I modify? did you modify? did he modify? did we modify? did you modify? did they modify?
Preterito contínuo
was I modifying? were you modifying? was he modifying? were we modifying? were you modifying? were they modifying?
Presente perfeito
have I modified? have you modified? has he modified? have we modified? have you modified? have they modified?
Presente perfeito contínuo
have I been modifying? have you been modifying? has he been modifying? have we been modifying? have you been modifying? have they been modifying?
Mais perfeito
had I modified? had you modified? had he modified? had we modified? had you modified? had they modified?
Contínuo mais perfeito
had I been modifying? had you been modifying? had he been modifying? had we been modifying? had you been modifying? had they been modifying?
Futuro
will I modify? will you modify? will he modify? will we modify? will you modify? will they modify?
Futuro contínuo
will I be modifying? will you be modifying? will he be modifying? will we be modifying? will you be modifying? will they be modifying?
futuro perfeito
will I have modified? will you have modified? will he have modified? will we have modified? will you have modified? will they have modified?
futuro perfeito contínuo
will I have been modifying? will you have been modifying? will he have been modifying? will we have been modifying? will you have been modifying? will they have been modifying?
Condicional
Presente
would I modify? would you modify? would he modify? would we modify? would you modify? would they modify?
Presente contínuo
would I be modifying? would you be modifying? would he be modifying? would we be modifying? would you be modifying? would they be modifying?
Passado
would I have modified? would you have modified? would he have modified? would we have modified? would you have modified? would they have modified?
Passado contínuo
would I have been modifying? would you have been modifying? would he have been modifying? would we have been modifying? would you have been modifying? would they have been modifying?