Achievable logoAchievable logo
ACT
Sign in
Sign up
Purchase
Textbook
Practice exams
Support
How it works
Resources
Exam catalog
Mountain with a flag at the peak
Textbook
Introduction
1. ACT Math
2. ACT English
2.1 ACT English intro
2.2 Punctuation
2.2.1 Periods
2.2.2 Semicolon
2.2.3 Colons
2.2.4 Sentence interruptions (comma, parens, dashes)
2.2.5 Commas
2.2.6 Apostrophes
2.2.7 It's and its
2.3 Conventions of usage
2.4 Sentence structure
2.5 Organization, unity, cohesion
2.6 Topic development
2.7 Knowledge of language
3. ACT Reading
4. ACT Science
5. ACT Writing
Wrapping up
Achievable logoAchievable logo
2.2.3 Colons