Research Projects:

• Phoocharoensil, S. (2015). Analyzing the Relative Marker THAT in L2 English: A Corpus-based Approach
• Phoocharoensil, S. (2014). A Corpus-based Error Analysis of WHERE Relative Clauses
• Phoocharoensil, S. (2012). An Investigation into Interlanguage Adverbial and Prepositional Relative Clauses
• Phoocharoensil, S. (2012). English collocational deviations in Thai learners’ interlanguage (funded by Language Institute of Thammasat University)
• Phoocharoensil, S. (2009). A study of English relative clauses in the interlanguage of Thai EFL learners. Ph.D. dissertation. Chulalongkorn University.

Research Articles:

• Phoocharoensil, S. (2017). Noun Phrase Accessibility Hierarchy: On a corpus-driven quest for order of difficulty in L2 English relative clause acquisition. The International Journal of Communication and Linguistic Studies, 15(3), 16-29.
• Phoocharoensil, S. (2017). Acquisition of English preposition pied-piping and preposition stranding. The International Journal of Communication and Linguistic Studies, 15(2), 1-12.
• Phoocharoensil, S. (2017). A Corpus-based exploration of linking adverbials: Discovering what ELT coursebooks lack. 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 23(1), 150-167.
  Available online at http://ejournals.ukm.my/3l/article/view/15703/5346
• Phoocharoensil, S. (2016). Typical errors in L1-Thai speakers’ English relative clauses. The International Journal of Learner Diversity and Identities, 23(4), 49-57.
• Phoocharoensil, S. (2015). A corpus-based analysis of the relativizer THAT in L1-Thai speakers’ interlanguage. The International Journal of Communication and Linguistic Studies, 13(4), 49-66.
• Phoocharoensil, S. (2014). Exploring learners’ developing L2 collocational competence. Theory and Practice in Language Studies, 4(12), 2533-2540.
  Available online at http://ojs.academypublisher.com/index.php/tpls/article/view/tpls041225332540/10478
• Phoocharoensil, S. (2014). If-conditionals in authentic corpus-based English. Review of European Studies, 6(3), 62-73.
  Available online at http://www.ccsenet.org/journal/index.php/res/article/view/39513
• Phoocharoensil, S. (2014). Errors on the relative marker WHERE: Evidence from an EFL learner corpus. 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 20(1), 1-20.
  Available online at http://ejournal.ukm.my/3l/article/view/3224
• Phoocharoensil, S. (2013). Cross-linguistic influence: Its impact on L2 English collocation production. English Language Teaching, 6(1), 1-10.
  Available online at http://www.ccsenet.org/journal/index.php/elt/article/view/23036
• Phoocharoensil, S. (2013). The English split infinitive: A comparative study of learner corpora. International Journal of Research Studies in Language Learning, 2(4), 21-32.
  Available online at http://consortiacademia.org/index.php/ijrsll/article/view/190
• Phoocharoensil, S. (2012). L2 English compliment responses: An investigation of pragmatic transfer. International Journal of Applied Linguistics and English Literature, 1(6), 276-287.
  Available online at http://www.ijalel.org/view.aspx?articleid=169
• Phoocharoensil, S. (2012). On the adverbial relativiser Where and prepositional relatives from an interlanguage perspective. Hong Kong Journal of Applied Linguistics, 13(2), 85-114.
• Phoocharoensil, S. (2011). Collocational errors in EFL learners’ interlanguage. Journal of Education and Practice, 2(3), 103-120.
  Available online at http://www.iiste.org/Journals/index.php/JEP/article/view/204
• Phoocharoensil, S. (2011). Resumptive pronouns in learner language. International Journal of Arts and Sciences, 4(4), 182-193.
• Phoocharoensil, S. (2010). A corpus-based study of English synonyms. International Journal of Arts and Sciences, 3(10), 227-245.
  Available online at http://openaccesslibrary.org/images/BGS109_Supakorn_Phoocharoensil.pdf
• Phoocharoensil, S. (2010). Language universals and learning strategies in L2 relative clause acquisition. The International Journal of Learning, 17(2), 95-107.

Co-authored Research Articles:

• Huebner, T. & Phoocharoensil, S. (2017). Monument as semiotic landscape: The silent historiography of a national tragedy, Linguistic Landscape, 3(2), 101-121.
• Phoocharoensil, S., Moore, B., Gampper, C., Geerson, E., Chaturongakul, P., Sutharoj, S., & Carlon, W. (2016). Grammatical and lexical errors in low-proficiency Thai graduate students’ writing. Language Education and Acquisition Research Network, 9(1), 11-25.
• Phoocharoensil, S. & Simargool, N. (2010). English relativization and learners’ problems. Journal of Pan-Pacific Association of Applied Linguistics, 14(1), 109-129.
  Available online at http://files.eric.ed.gov/fulltext/EJ920506.pdf
• Phoocharoensil, S. & Simargool, N. (2009). Language universals and transfer in interlanguage relative clauses. Thoughts 2009, 53-74.

Research Articles Co-authored with Graduate Students:

• Humphries, D. S. & Phoocharoensil, S. (2012). Examining the English complex prepositions “according to”, “because of”, and “due to” in Thai University student writing. Thoughts 2011, 48-73.
• Jehma, H. & Phoocharoensil, S. (2014). L1 transfer in the production of fricatives and stops by Pattani-Malay learners of English in Thailand. Asian Social Science, 10(7), 67-78.
  Available online at http://ccsenet.org/journal/index.php/ass/article/view/35648
• Kiativutikul, C. & Phoocharoensil, S. (2014). A corpus-based study of phrasal verbs: CARRY OUT, FIND OUT, and POINT OUT. International Journal of Research Studies in Language Learning, 3(7), 1-16.
  Available online at http://www.consortiacademia.org/index.php/ijrsll/article/view/820
• Kittigosin, R. & Phoocharoensil, S. (2015). Investigation into learning strategies and delexical verbs used by Thai EFL learners. 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 21(2), 63-72.
• Rattanasak, S. & Phoocharoensil, S. (2014). Avoidance in processing English non-restrictive relative clauses in Thai EFL learners’ interlanguage. Asian Social Science, 10(17), 265-277.
  Available online at http://ccsenet.org/journal/index.php/ass/article/view/39885
• Sukitkanaporn, T. & Phoocharoensil, S. (2014). English presentation skills of Thai graduate students. English Language Teaching, 7(3), 91-102.
  Available online at http://www.ccsenet.org/journal/index.php/elt/article/view/34242
• Suwitchanphan, P. & Phoocharoensil, S. (2014). Adjective + noun collocational competence of L1 Thai learners: A comparative study of a regular program and an English program. Asian Social Science, 10(17), 210-221.
  Available online at http://ccsenet.org/journal/index.php/ass/article/view/39668
• Yumanee, C. & Phoocharoensil, S. (2013). Analysis of collocational errors of Thai EFL studen Language Education and Acquisition Research Network, 6(1), 90-99.
  Available online at http://164.115.22.25/ojs222/index.php/LEARN/article/view/230/229

Academic articles:

• Phoocharoensil, S. (2015). What vocabulary should EFL teachers focus on? Language Education and Acquisition Research Network, 8(2), 1-7.
• Phoocharoensil, S. (2014). Formulaic sequences in second language acquisition. Language Education and Acquisition Research Network, 7(1), 68-75.
  Available online at http://164.115.22.25/ojs222/index.php/LEARN/article/view/267
• Phoocharoensil, S. (2012). A pedagogical perspective on the English split infinitive: A view from language corpora. Journal of Teaching and Education, 1(3), 459-464.
  Available online at http://www.universitypublications.net/jte/0103/html/VIE106.xml
• ศุภกรณ์ ภู่เจริญศิลป์. 2550. เรียงถ้อยร้อยความ. ในวารสาร EXIT ฉบับที่ 23-24 หน้า 118
• ศุภกรณ์ ภู่เจริญศิลป์. 2541. ปัญหาที่พึงระวังในการใช้อรรถาภิธานในการเขียนเรียงความภาษาอังกฤษ ในวารสารอักษรศาสตร์พิจารณ์ ปีที่ 1 ฉบับที่ 2. หน้า 46-54

Book Review Articles:

• Phoocharoensil, S. (2017). [Review of the book Doing corpus linguistics by William J. Crawford and Eniko Csomay]. PASAA, 53, 230-234.
• Phoocharoensil, S (2017). [Review of the book Corpus linguistics and the description of English by Hans Lindquist]. Australian Journal of Linguistics, 37(1), 86-90.
  Available online at http://www.tandfonline.com/doi/full/10.1080/07268602.2015.1134264
• Phoocharoensil, S (2016). [Review of the book Corpus linguistics and grammar: A guide for research by Christian Jones and Daniel Waller]. Language Education and Acquisition Research Network, 9(2), 237-238.
• Phoocharoensil, S (2014). [Review of the book Key topics in second language acquisition by Vivian Cook & David Singleton]. Thai TESOL Journal, 27(2), 94-98.
• Phoocharoensil, S (2014). [Review of the book Exploring corpus linguistics: Language in action by Winnie Cheng]. Thoughts 2014, 145-149.
• Phoocharoensil, S. (2012). [Review of the book Vocabulary matrix: Understanding, learning, and teaching, by M. McCarthy, A. O’Keeffe & S. Walsh]. LITU Journal, 5, 120-122.

• Phoocharoensil, S. (2014). Unit 7. University English I. Bangkok: Thammasat University Press.

• ศุภกรณ์ ภู่เจริญศิลป์ 2558 ใช้ศัพท์อังกฤษต้องคิดถึงบริบท (in Thai)

• Phoocharoensil, S. (2015). The relativizer that: A corpus-based interlanguage study. Proceedings of the Inaugural Asian Conference on Education & International Development, 401-410.
  Available online at http://iafor.org/issn-2189-101x-the-asian-conference-on-education- international-development-2015-official-conference-proceedings/
• Phoocharoensil, S. (2012). Language corpora for EFL teachers: An exploration of English grammar through concordance lines. Procedia-Social and Behavioral Sciences, 64, 507-514.
  Available online at http://ac.els-cdn.com/S1877042812050379/1-s2.0-
• Phoocharoensil, S. (2011). Second language acquisition of English prepositional relative clauses. Proceedings of the 4th Biennial International Conference on the Teaching and Learning of English in Asia, 1-17.
• Humphries, D. S. & Phoocharoensil, S. (2011). From contrastive analysis hypothesis to cross- linguistic influence: Along the evolutionary trail of language transfer theories. Proceedings of The First International Conference on English Language and Literary Studies on “Expanding Horizons in English Language and Literary Studies (ELLS 2011)”, 182-189.
• Phoocharoensil, S. (2009). Teaching relative clauses to EFL learners. Proceedings of the Asia TEFL 2009, 15-24.
  Available online at http://thaitesol.org/images/documents/proceeding2010/02_thaitesolproceeding2010_phoocharoe nsil.pdf
• Phoocharoensil, S. (2009). Relative clause acquisition and EFL learners. Proceedings of 14th Conference of Pan-Pacific Association of Applied Linguistics, 1-4.
  Available online at www.paaljapan.org/conference2009/proceedingsPAAL2009.pdf