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