Did you learn to speak English like this just by studying it in school?
Have you gotten this good at speaking English just from what you learned at school?
ーDid you learn to speak English like this just by studying it in school?
「学校で習っただけでそんなに英語が話せるようになったの？」
learn to speak English で「英語が話せるようになる」と言えます。
just by studying it in school で「学校で習っただけで」
ーHave you gotten this good at speaking English just from what you learned at school?
「学校で習っただけでそんなに英語が上手に話せるようになったの？」
good at speaking English で「英語が話すのがうまい」
just from what you learned at school で「学校で習っただけで」
ご参考まで！
カナダ 
