HSK 2 grammar · pattern
快要…了
快要…了 — about to
Pattern
+ + +
( ) can be left out · other words may come before, between and after
How it works
快要…了 says something is about to happen very soon. The 了 at the end is required to complete the pattern.
Examples
火车快要来了。
Huǒchē kuàiyào lái le.
The train is about to arrive.
快要下雨了。
Kuàiyào xià yǔ le.
It's about to rain.
Related

See it in a story
In the app, 快要…了 is underlined wherever it appears in the stories you read, and practised with sentences from them. Free.