1課 時間関係 教科書 p.8〜11
Time relation — just now… then, as soon as, since
接続：動辞書形／た形 ＋ そばから
Just… again…（repeatedly）. As soon as you finish doing it, it becomes invalid again / a new thing arises, repeated many times.
注意 / Note：Other 〜が早いか (1 time): 〜そばから emphasizes REPETITION. Usually associated with trouble and annoyance.
比較 / Compare：〜そばから press repetition + feeling of irritation; 〜が早いか can only be described once.
よく出る形 / Common form：動辞書形・た形＋そばから。The latter often has また・次々に.
毎日返事を書くそばから、次々に新しいメールが来る。
Every day, as soon as I write a reply, new emails arrive continuously.
片付けるそばから、子供たちが部屋を散らかす。
Every time they finish cleaning, the children make a mess of the room.
拭いたそばから、また子供が床を汚す。
Just after cleaning, the child dirty the floor again.