Chunk: once-in-a-while
Formulaic Unit
Meaning: From time to time; occasionally, but not frequently or regularly.
💬 Contextual Examples
- We don't go out to eat often, but we enjoy it once in a while.
- Every once in a while, I like to take a long weekend trip.
🎴 Interactive Web Practice (Click to Reveal)
Practice 1: I still see my old university friends once ______ a while.
Answer:
in
Practice 2: Every once in a ______ , he sends me an email to say hello.
Answer:
while
🔗 Knowledge Base Connections
- 🔑 Parent Keyword: a-an