

O cão dos vizinhos não para de ladrar.
Porque é que o teu cão ladra tanto?
Os cães ladraram a noite toda.
"ladrar" is in the lesson "Verbs 21" (Level 44), along with 11 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.