This document contains a diagnostic grammar test with 3 sections. Section 1 contains 20 multiple choice questions testing parts of speech, verb tenses, articles, and prepositions. Section 2 contains 10 sentences with grammatical errors. Section 3 contains 10 multiple choice questions identifying the correctly structured sentence between two options. The test examines a variety of English grammar rules around parts of speech, subject-verb agreement, verb tenses, plural vs. singular nouns and verbs, and use of articles and prepositions.