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@article{ART001227005},
author={Hohsung Choe},
title={A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner},
journal={Modern English Education},
issn={1598-0782},
year={2007},
volume={8},
number={3},
pages={17-37}

TY - JOUR
AU - Hohsung Choe
TI - A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner
JO - Modern English Education
PY - 2007
VL - 8
IS - 3
PB - The Modern English Education Society
SP - 17
EP - 37
SN - 1598-0782
AB - This paper examines the acquisition process of the present perfect by an adult ESL learner. The participant is a Chadian ESL learner whose native tongues are Ngambay and French. He was enrolled in a language training program at a Midwestern university at the time of data collection. The researcher collected data from the participant's essays and tests. The results of the study demonstrate that: (1) there is a dramatic increase in the frequency of the present perfect and the percentage of its appropriate uses during and after the period of instruction, (2) the present perfect emerges after the stable use of the present and past tenses, (3) overgeneralization and undergeneralization of the present perfect are caused by misconception of the present perfect as a mixture of the past and the present, and (4) there is a developmental sequence in the acquisition of the present perfect: the feature of experience is acquired more easily and faster than other features of the present perfect.
KW - [second language acquisition/present perfect/interlanguage
DO -
UR -
ER -

Hohsung Choe. (2007). A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner. Modern English Education, 8(3), 17-37.

Hohsung Choe. 2007, "A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner", Modern English Education, vol.8, no.3 pp.17-37.

Hohsung Choe "A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner" Modern English Education 8.3 pp.17-37 (2007) : 17.

Hohsung Choe. A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner. 2007; 8(3), 17-37.

Hohsung Choe. "A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner" Modern English Education 8, no.3 (2007) : 17-37.

Hohsung Choe. A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner. Modern English Education, 8(3), 17-37.

Hohsung Choe. A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner. Modern English Education. 2007; 8(3) 17-37.

Hohsung Choe. A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner. 2007; 8(3), 17-37.

Hohsung Choe. "A Case Study on the Acquisition of the Present Perfect: Interlanguage of an Adult ESL Learner" Modern English Education 8, no.3 (2007) : 17-37.