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