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