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