The following French Numerals are differently pronounced according 1st—as they stand alone, or are joined to Noun or Adjective beginning, 2nd—with Vowel. 3rd—with Consonant.

Compound numbers as simple ones.

In ils Étaient neuf a diner, neuf en tout, the f keeps its natural sound.

No tie is ever made before onze

In 21 to 29 the t of vingt is sounded, 22, vint-deu, 23 vint troi etc. From 80 to 99 the t of vingt is everywhere mute, and the n is sounded nasal. Quatre-vingt-un is sounded quatre-vin-un.

Cent un is sounded san un; but 200 deu sanz hommes.

Mille, thousand has no plural form. deux mille 2000; deux milles means two miles. Mil is used in Christian era, l’an Mil huit cent, 1800.

In pronoun Tous, the is never silent and always pronounced like Ç or ss.

In Belgium for 70, septante, for 80, octante, for 90 nonante are used.

“The Aural System” Supplement.