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