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