

Senta-te à frente, ao lado do condutor.
A paragem do autocarro fica ali à frente.
Podes ir à frente, eu já vou.
"à frente" is in the lesson "Adverbs 1" (Level 23), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.