Question

join the sentence without using and but or so at they did not attend the class are they did not inform me

Answer 1

they didn't inform me that they were not attending the class

Answer 2

Answer:

Neither did they attended the class nor they informed me.

We use words like neither - nor , either - or to join the pair of sentences or phrases to make it look more beautiful.

Grammar is all about understanding and by using such perfect words , one can combine sentences easily without using but or so.