Master Subject-Verb Agreement in 10 Simple Rules! This quick guide covers 10 essential English grammar rules to help you speak and write more confidently! Learn all about subject-verb agreement (singular vs. plural subjects), correct usage of "is", "are", "was", and "were", and how to form the past tense of regular verbs. Perfect for beginners or anyone needing a grammar refresher! Rule 1: Verb agreement with subject Rule 2 & 3: Singular & plural verbs Rule 4: "I" and "you" special forms Rules 5