Expressing Durations of Time with "了“ - HSK 3 Grammar Lesson 3.7.1

[@cocarol5478]

谢谢老师，你讲解得很清楚

[@lucya4439]

Amazing explanation, thx!

[@StarBoundFables]

Very well explained, thank you!

[@aiesyajoo]

谢谢 老师

[@anatoly_svv]

谢谢，老师们好帅！

[@atantsorov]

Amazing

[@farhorshov2299]

非常感谢你。请你来说明这个问题。《并》

[@ChaineYTXF]

How about 一直在。。。了 to express *have been V+ing* ？ 我一直在吃很多苹果了

[@wilmahugo8858]

What does the optional 了 do ?

[@user-yi5ip9eg9z]

谢谢您的好课! (⁠ ⁠◜⁠‿⁠◝⁠ ⁠)⁠♡