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