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