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What is the numbers eleven- thirty-one in french

Ineed french . i am writing sentences i wrote in english in french. could someone check to see if the french translations are correct in regards to linguistics such as grammar? 1. i like the bookstore the best. > > > j’aime la librairie le meilleur. 2. i don’t spend a lot. maybe 30$ dollars. > > > je ne dépenser pas beaucoup. peut-être trente dollars. 3. the jewelry store is the most expensive. > > > la bijouterie est le plus cher. 4. i pay with money. > > > je payer avec l’argent.

What are the different forms of "avoir" and how do you use them?