僕はそこへ行くつもりだった。

I; me; you; manservant

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

there (place relatively near listener); there (place just mentioned); that place; then (of some incident just spoken of); that (of point just raised); you

indicates direction or goal (e.g. "to")

to go; to move (in a direction or towards a specific location); to head (towards); to be transported (towards); to reach; to proceed; to take place; to pass through; to come and go; to walk; to die; to pass away; to do (in a specific way); to stream; to flow; to continue; to have an orgasm; to come; to cum; to trip; to get high; to have a drug-induced hallucination

intention; plan; conviction; belief

be; is; indicates past or completed action; indicates light imperative