06課 もし、… 教科書 p.32
If…
接続：普通形（なA・Nなの）+ なら
if it is / if it is true. Provide conditions based on the information or topic just mentioned.
注意 / Note：Check the subject, tense and tone of both clauses; Avoid translating word for word from Vietnamese.
比較 / Compare：Compare with similar samples in the same article to choose according to nuance and connection. Same 課: 〜(の)なら／〜ては／〜(の)では／〜さえ〜ば／〜さえ〜なら／〜たとえ〜ても／〜でも — these models are often mistaken for each other, read the 接続 line carefully and then decide.
京都へ行くなら、秋がおすすめです。
If you go to Kyoto, fall is ideal.
忙しいのなら、明日でもいいですよ。
If you're busy, tomorrow is fine.
日本料理なら、すしが好きです。
If talking about Japanese food, I like sushi.