być obecnym in English:

1. be present

English word "być obecnym"(be present) occurs in sets:

unit 3 education/school equipment
Oxford repetytorium maturzysty dział 3 - edukacja
Word Bank, Unit 1 - Szkoła, Oxford Excellence for ...
SZKOŁA- the most important
Matura PP cz. 3 - Szkoła

2. sit in

English word "być obecnym"(sit in) occurs in sets:

Unit 1 - Live and learn - 1.8 Writing
Unit 1 Live and learn - wszystkie
Focus 4 Unit 1 cz 3
UNIT 1 slowa jprdl pomocy
Unit 1 focus 4

3. be in attendance

English word "być obecnym"(be in attendance) occurs in sets:

Force equals mass times acceleration.
Preston Pusblishing Unit 9
The Fun Knowledge 58