Analyzer
Sentence analysis
7Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
計画
plan; project; schedule; programnoun, suru verb
は
topic markergrammar
秘密
secret; confidential; private; mystery; secret (to success, etc.); key; esoteric teachingsnoun, na-adjective
に
direction, time, indirect object, or target markergrammar
し
light/support verb with a noun or noun-like phrase-> するgrammar
ておこう。
do in preparation-> ておくgrammar