Question 1

Why is trouvais in the imperfect tense if this sentence is about a hypothetical future event?

Accepted Answer

In French, just like in English, we use a past tense to talk about an unlikely or imaginary present or future. In this second conditional structure, the formula is always si + imperfect tense, followed by the conditional tense in the main clause. So, Si tu trouvais... (If you found...) sets up the imaginary scenario, which pairs with the conditional que ferais-tu ? (what would you do?).

Question 2

How is the conditional verb ferais formed here?

Accepted Answer

Ferais is the conditional form of faire (to do / to make) for the subject tu. To form the conditional, we usually take the full infinitive of a verb and add the imperfect endings. However, faire is irregular and uses the special stem fer-. Adding the tu ending (-ais) gives us ferais.

Question 3

Could I say qu'est-ce que tu ferais instead of que ferais-tu?

Accepted Answer

Yes, absolutely! Que ferais-tu ? uses inversion (swapping the verb and subject pronoun), which is considered slightly more formal and is typical of written French. In everyday spoken French, it is very common to say qu'est-ce que tu ferais ? or even tu ferais quoi ?.

Question 4

Why does inconnue come after the noun, and why does it end in an extra e?

Accepted Answer

Inconnue (unknown) is an adjective describing the noun base. Because most adjectives in French are placed after the noun, it follows base. Additionally, since base is a feminine noun, we must add an -e to the masculine form inconnu to make it agree.

Si tu trouvais une base inconnue dans le système solaire, que ferais-tu ?

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