progressive aspect造句

1、"" is the typical representative of progressive aspect in Korean.
“-（?）”是韩国语中表示进行时代的典型代表。

2、Some Changes of the Progressive Aspect in Modern English
现代英语中进行体的一些变化

3、Then in the second chapter has studied the progressive aspect in Korean.
然后在第二章中研究了韩国语的进行形态。