While there isn't a brand-new 2026 edition of Robert Krohn ’s classic textbook, the core principles of his " Intensive Course in English " remain a gold standard for ESL learners
Verbs and Tenses
: Simple present, past tense of regular and irregular verbs, and modal auxiliaries (can, will, etc.).
Comprehensive lessons on irregular verbs and the passive voice. Advanced Structures:
englishsentencestructurerobertkrohnpdf updated
You might find a beat-up copy of the original on Amazon for $200, but the offers distinct advantages:
While the original text was published in 1971, it continues to be available through various modern channels for contemporary students and educators.
- Clean, Searchable Text: Unlike the grainy images of 1970s printings, the new PDF uses OCR-corrected text. You can now press
Ctrl+F to find any verb tense or pattern instantly.
- Revised Exercises: Outdated vocabulary (e.g., “stenographer,” “icebox”) has been replaced with modern terms (“virtual assistant,” “refrigerator”). However, the syntactic drills remain untouched.
- Answer Key Integration: The original book hid answers in an appendix. The updated version places answer keys immediately after each exercise set, making self-study seamless.
- Accessible Layout: Fonts have been increased for readability on tablets and phones, and margins are optimized for annotation in PDF readers like GoodNotes or Notability.
- The Purdue Online Writing Lab (OWL): This comprehensive resource provides detailed guides on English sentence structure, including types of sentences, clauses, and phrases.
- The Grammarly Handbook: This online reference offers a thorough explanation of English sentence structure, including grammar, punctuation, and style.
- The University of North Carolina at Chapel Hill's Writing Center: This website features a range of resources on sentence structure, including guides on sentence types, clauses, and effective sentence structure.
Full Texts:
Digital archives such as mielanguage and livreur2soleil host various versions of the textbook for educational use.