【s6317761】評論
How come 後面接「主詞 + 動詞...」因此本題應改為:How come you didn't come to school yesterday?或者把開頭改成 why,句型就會像大部分的問句一樣,後面接「助動詞 / be 動詞 + 主詞...」。Why didn't you come to school yesterday?補充說明:1. How come 通常是用在口語,正式書寫不太會用到,而 why 可以用在口語或正式的書寫。2. How come 語氣會比較柔和,而 why 則是比較直接地問為什麼。3. how come 不會用在「間接問句」的句型,只有 why 可以。例如: That's why I don't like rainy days.