Błędnie: They were all standing in frond of the house, unsure what to do and helpless. Poprawnie: They were all standing in front of the house, unsure what to do and helpless.
"Front" to 'front'; 'przód'; wyrażenie "in front of" oznacza 'z przodu', 'przed (czymś)'. "Frond" to 'liść paproci', 'liść palmy'.