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