Robert Krohn's English Sentence Structure remains a foundational resource for beginning and intermediate ESL students, praised for its clear, systematic approach to grammar and syntax. Originally published in 1971 by the University of Michigan Press, it is part of the "Michigan Rainbow" series and is frequently cited as a superior alternative to more modern texts due to its rigorous drill-based method. Key Review Highlights

Robert Krohn’s English Sentence Structure is a classic intensive textbook used worldwide to help English learners master grammar through practical patterns and drills. Originally developed for the English Language Institute at the University of Michigan, it focuses on oral production and "over-learning" basic structures. Where to Find the PDF

1. Progressive Building Blocks

The PDF does not start with complex clauses. It begins with the simplest possible two-word sentences:

Alternatives to the Krohn PDF (Same Methodology)

If you are unable to locate the original Krohn PDF, do not despair. Here are modern books that use the exact same structural, pattern-practice approach:

In this structure, the subject is the noun or pronoun that performs the action described by the verb, and the object is the noun or pronoun that receives the action.

Step 4: Error Analysis

After completing a chapter, go back and intentionally break the rule. Write a wrong sentence (e.g., She swim can) and explain why it is wrong. This deepens structural awareness.