Chia Động Từ is a complete set of reference and practice materials for learning the English irregular verbs. It provides a quiz type activity on six levels of difficulty, bilingual verb lists and a searchable database of almost 180 verbs, with audio files to help with pronunciation.
- January 25, 2013 Initial release
- February 04, 2013 Price increase: FREE! -> $19.99
- March 02, 2013 Price decrease: $19.99 -> FREE!