How do you say what did he in French?

The phrase "what did he" in French can be translated in several ways depending on the context. Here are some examples:

Simple past:

* Qu'a-t-il fait? (Formal) - This is the most common and literal translation.

* Qu'a fait? (Informal) - This is a more casual way to ask the same question.

* Il a fait quoi? (Informal) - This is another casual way to ask the question.

Imperfect past:

* Que faisait-il? (Formal) - This translates to "What was he doing?"

* Que faisait? (Informal) - This is a more casual way to ask the same question.

Past Participle:

* Qu'a-t-il fait? (Formal) - This can also be used for the past participle, which describes a completed action.

* Qu'a fait? (Informal) - This can also be used for the past participle.

The best translation will depend on the specific situation and the tense you want to convey.