When are you supposed to use them, please state the circumstances you use them in and if you don't mind, an example too.
Tu as -- you haveTu es -- you are
Different from English, there are a few occasions where you'd use avoir instead of être:
Tu as 5 ans. -- You "have" 5 years: you are 5 years oldTu as faim. -- You "have hunger": you are hungry.Tu as soif. -- You "have thirst": you are thirsty.
To supplement Chris's answer, you can find 2 links below:
French Expressions with Avoir
French Idioms with Être
I hope this is helpful.
Bonne journée !
Sign in to submit your answer
Don't have an account yet? Join today
Test your French to the CEFR standard