A Grammar Refresher for All Writers & Editors - Grammar Lion

What's included in your course:

• 100+ lessons (Get ready to read, the best way to learn about English grammar!)
• 23 quizzes (Self-assess throughout your course so you'll know where you're strong and what still needs work.)
• skill-building assignments (Everybody needs practice, and Grammar Lion makes it fun.)
• 24/7 course access (Enjoy 12 weeks of course time. During these weeks, go at your own pace through 12 chapters of grammar lessons.)
• one-to-one instructor support (Ask questions through the course discussion forum or private email and get a reply within one business day.)
• incredible resources (Download a PDF full of invaluable grammar resources.)
• ongoing access to your instructor (The learning continues when your course time ends—stay in touch via email or Grammar Lion on Facebook.)

Here's a sampling of what you'll learn:

• homophones and other mixed-up words
• contractions and possessives
• sentence fragments and run-on sentences
• standard verb forms in simple and complex tenses
• agreement between subjects and verbs, and pronouns and antecedents
• clarity, concision, and logic
• capitalization and punctuation

Article from: https://www.grammar-lion.com/courses/grammar-lion-a-grammar-refresher