L11: Use 吗 to Ask Question 吗的用法

You may not use why, when, who, where, how to ask questions. Use 吗 ma (light tone).

finish eating? 吃了吗？ chī lè ma
gone? 走了吗？ zǒu lè ma
good? 好吗？ hǎo ma
not playing? 不玩了吗？ bù wán lè ma
crying? 哭了吗？ kū lè ma
ripen? fully cooked? 熟了吗？ shú lè ma
reached? 到了吗？ dào lè ma

There are many examples, but typing tone symbol is not that easy.

*了 is used with 吗， meaning over, sort of past tense.