do I rub? do you rub? does he rub? do we rub? do you rub? do they rub?
Present continuous
am I rubbing? are you rubbing? is he rubbing? are we rubbing? are you rubbing? are they rubbing?
Preterite
did I rub? did you rub? did he rub? did we rub? did you rub? did they rub?
Preterite continuous
was I rubbing? were you rubbing? was he rubbing? were we rubbing? were you rubbing? were they rubbing?
Present perfect
have I rubbed? have you rubbed? has he rubbed? have we rubbed? have you rubbed? have they rubbed?
Present perfect continuous
have I been rubbing? have you been rubbing? has he been rubbing? have we been rubbing? have you been rubbing? have they been rubbing?
Pluperfect
had I rubbed? had you rubbed? had he rubbed? had we rubbed? had you rubbed? had they rubbed?
Pluperfect continuous
had I been rubbing? had you been rubbing? had he been rubbing? had we been rubbing? had you been rubbing? had they been rubbing?
Future
will I rub? will you rub? will he rub? will we rub? will you rub? will they rub?
Future continuous
will I be rubbing? will you be rubbing? will he be rubbing? will we be rubbing? will you be rubbing? will they be rubbing?
Future perfect
will I have rubbed? will you have rubbed? will he have rubbed? will we have rubbed? will you have rubbed? will they have rubbed?
Future perfect continuous
will I have been rubbing? will you have been rubbing? will he have been rubbing? will we have been rubbing? will you have been rubbing? will they have been rubbing?
Conditional
Present
would I rub? would you rub? would he rub? would we rub? would you rub? would they rub?
Present continuous
would I be rubbing? would you be rubbing? would he be rubbing? would we be rubbing? would you be rubbing? would they be rubbing?
Past
would I have rubbed? would you have rubbed? would he have rubbed? would we have rubbed? would you have rubbed? would they have rubbed?
Past continuous
would I have been rubbing? would you have been rubbing? would he have been rubbing? would we have been rubbing? would you have been rubbing? would they have been rubbing?