Arizona's College and Career Ready Standards
AZ.2.WF. Writing Standards: Foundational Skills
2.WF.3. Know and apply phonics and word analysis skills when encoding words.
2.WF.3.a. Spell on-level, regular, single-syllable words that include:
2.WF.3.a.5. Contractions (e.g., we'll, I'm, they've, don't).
AZ.2.L. Language Standards
Conventions of Standard English
2.L.2. Demonstrate command of the conventions of Standard English capitalization, punctuation, and spelling when writing.
2.L.2.c. Use an apostrophe to form contractions and frequently occurring possessives.