How do you say the boy is mad in french?

Here are a few ways to say "the boy is mad" in French, depending on the nuance you want to convey:

Formal/Literal:

* Le garçon est en colère. (The boy is angry.) This is the most direct translation and is appropriate for most situations.

Informal/More expressive:

* Le garçon est fâché. (The boy is upset/annoyed.) This is a slightly less formal way to say it.

* Le garçon est furieux. (The boy is furious.) This implies a higher level of anger.

* Le garçon est fou de rage. (The boy is mad with rage.) This is a very strong expression.

If you want to emphasize that the boy is acting crazy:

* Le garçon est devenu fou. (The boy has gone crazy.)

* Le garçon est complètement dingue. (The boy is completely crazy.)

Remember to choose the expression that best suits the context and the level of anger you want to convey.