Punctuation & Sentence Building
Level 3 · Learn It
1. Learn It
2. Try It
3. Quiz Me
A complete sentence needs a subject (who or what) and a predicate (what happens).
Start every sentence with a capital letter and end it with . ? or !
Commas separate items in a list: rockets, stars, and moons.

Ready? Let's try one together — I'll explain every answer.