if that is the case, if you are talking about

なら responds to information just heard or to a topic: if we are talking about X, then here is my comment or advice. It attaches to nouns directly and to plain forms of verbs and adjectives. The result clause often comes logically before the condition in time.

Examples

• 京都きょうとへ行いくなら、秋あきがいいですよ。

  Kyouto e iku nara, aki ga ii desu yo.

  If you are going to Kyoto, autumn is a good time.

• 日本にっぽん料理りょうりなら、あの店みせが一番いちばんです。

  Nihon ryouri nara, ano mise ga ichiban desu.

  If it is Japanese food you want, that restaurant is the best.

Vocabulary in these examples

• 行く to go
• 秋 autumn
• いい good
• 料理 cooking; dish
• あの that (+ noun) over there
• 店 shop; store

Related patterns · Conditionals

• 〜と（条件） if, when, whenever (natural result)
• 〜ば if (hypothetical condition)
• 〜たら if, when, after