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