"The students wrote me a letter in which they complained about you."

Translation: Studentky mi napsaly dopis, v němž si na tebe stěžovaly.

[zubkov318]

Can we use Present tense in Czech version:
"Studentky mi napsaly dopis, v němž si na tebe stěžují"?

[JanLyko]

Yes, both make sense in Czech.