I think I understand the meaning thanks to the context, but I don't understand
why the first verb is in te form and the second in masu stem after a は
particle(i.e.,I don't understand the structure used)?

[![enter image description
here](https://i.stack.imgur.com/FEVs2.png)](https://i.stack.imgur.com/FEVs2.png)
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2018-07-25T19:17:06.780
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2018-07-25T20:05:28.103
2018-07-25T19:23:25.767
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question
grammar particle-は
Trouble with 出ては消え in this sentence