

Ma mère a quarante ans.
[ma mɛʁ‿ a kaʁɑ̃t ɑ̃.]
My mother is forty.
Le train a quarante minutes de retard.
[lə tʁɛ̃ a kaʁɑ̃t minyt də ʁətaʁ.]
The train is forty minutes late.
Il n'y a pas quarante personnes ici.
[il nj‿ a pa kaʁɑ̃t pɛʁsɔn‿ isi.]
There aren't forty people here.
"quarante" is in the lesson "Big numbers" (Level 4), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,375 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.