These exercises were created with Hot Potatoes software. ©1997 – 2020 by Robin L. Simmons All rights reserved. Comma spleiße & merged sentences • Fragments • Irregular verbs Parallel structure • Misplaced and suspended modifiers Apostrophe • Commas • Concordance of pronouns • Pronoun reference Depronomen Reference • Subject-verb concordance • Choice of words. Photocopying for students or links to material on this site do not require my consent. You may not modify, sell or transfer any or all of these materials to another server or learning management system. How simple! Home • Terms of Use • Exercises • Handouts • Rules • PowerPoint • Canvas • Twitter • YouTube • Shop • Via Robin. .