Question 1

Why is there an elle after the verb when the subject is already la comète?

Accepted Answer

This is called "complex inversion," which is triggered by starting the sentence with the adverb sans doute. When the subject is a noun (like la comète) rather than a pronoun, you leave the noun before the verb, but you still must invert. To do this, you add the matching pronoun (elle) immediately after the conjugated verb (a).

Question 2

Where does the -t- in a-t-elle come from?

Accepted Answer

It is added simply to make the sentence easier to pronounce. When you invert a verb ending in a vowel (like a) and a pronoun starting with a vowel (like elle, il, or on), French requires you to insert a -t- between them to prevent the two vowel sounds from crashing together.

Question 3

Doesn't sans doute literally mean "without a doubt"? Why is the translation "likely"?

Accepted Answer

This is a classic trap for English speakers! Over time, sans doute has weakened in French to mean "probably" or "likely," leaving room for some doubt. If you actually want to say "without a doubt" or "undoubtedly," you need a stronger phrase like sans aucun doute or indubitablement.

Question 4

Why does détruite have an e at the end?

Accepted Answer

The sentence is in the passive voice (a été détruite means "was destroyed"). In passive constructions, the past participle always behaves like an adjective and agrees in gender and number with the subject. Since la comète is feminine singular, you must add an e to détruit.

Sans doute la comète a-t-elle été détruite par l'atmosphère.

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