because vs so の方向 (3級超頻出ひっかけ)
"I was tired because I worked hard." (結果 ← 原因)
"I worked hard, so I was tired." (原因 → 結果)
順序が逆だが同じ意味。
so ~ that ... 構文 = とても〜なので... ("so cold that I shivered")、too ~ to ... = 〜すぎて〜できない ("too cold to go out") の両方が3級頻出。
so that + S + can/will = 〜できるように (目的)
in order that の口語版。
"so far" = 今までのところ、"so to speak" = いわば。
so-so = まあまあ (会話で頻出)。