WIANGIN, Nanthanut et al.
 Verb to be in Progressive Tense in American English.
<strong>วารสารพุทธปรัชญาวิวัฒน์</strong>, [S.l.], v. 6, n. 2, p. 673-683, june 2022.
ISSN 2730-2644.
Available at: &lt;<a href="http://202.29.86.169/index.php/jbpe/article/view/1985" target="_new">http://202.29.86.169/index.php/jbpe/article/view/1985</a>&gt;. Date accessed: 26 nov. 2024.