HSK 7–9 grammar · conjunction
倘若/若⋯⋯，⋯⋯
倘若/若⋯⋯，⋯⋯ — if (formal)
Pattern
+
( ) can be left out · other words may come before, between and after
How it works
倘若 and the shorter 若 are the written equivalents of 如果, opening a supposition. They suit formal notices and literary prose; in speech use 如果 or 要是.
Examples
倘若有事，请提前告知。
Tǎngruò yǒu shì, qǐng tíqián gàozhī.
If anything comes up, please let us know in advance.
若有疑问，可致电咨询。
Ruò yǒu yíwèn, kě zhìdiàn zīxún.
Should you have questions, you may call for advice.
Related
如果…就 · 如果…就 — if…then倘若/假设/假使/若⋯⋯，就/那（么）⋯⋯ · 倘若/假设/假使/若⋯⋯，就/那么⋯⋯ — if …, then …要是…就 · 要是…就 — if … then (colloquial)
See it in a story
In the app, 倘若/若⋯⋯，⋯⋯ is underlined wherever it appears in the stories you read, and practised with sentences from them. Free.