

O namorado da Inês é americano.
Conheci um americano no comboio.
O teu vizinho é americano?
"o americano" is in the lesson "Origin" (Level 17), along with 14 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.