How will you react when a non-native English speaker uses wrong prepositions?

vor 7 Jahren

I wonder how would you react when non-native speaker uses wrong prepositions, would you easily spot it and correct it immediately?

•

•

Astrid

(342)

‏١٧ US$

USD/h

يدرس

اللغة الأندونيسية

من

اندونيسيا

الدروس

747