Thomas Celentano

Using English Expressions for Real Life: Stepping Stones to Fluency for Advanced ESL Learners

Beyond Phrasal Verbs for ESL Learners: Mastering English Phrasal Verbs in Context: Focus on English: ESL Reference Series

Mastering English Articles a, an, and the – Learn to Use Articles Correctly in Every English Sentence!

A Guide to English Irregular Verbs for ESL Learners – Using English Irregular Verbs Correctly Every Time – Focus on English ESL Reference Series

English Gerunds and Infinitives for ESL Learners – Using Gerunds and Infinitives Correctly After Common English Verbs