Welcome to LearningCurve, adaptive game-like quizzing that helps you focus on the material you need most help with. When you get a question wrong, feedback tells you why and links you to your book for review–and then you get a chance to try again.

Active and passive voice

Apostrophes

Capital letters

Commas

Comma splices and fused sentences

For multilingual writers: Nouns and noun phrases

For multilingual writers: Sentence structure

For multilingual writers: Verbs and verb phrases

Parallelism

Pronouns

Sentence fragments

Subject-verb agreement

Verbs