Is the following French sentence grammatically correct or incorrect?Je pense de tu chantes bien.

The sentence is incorrect because French uses que to introduce a clause stating what you think: “Je pense que tu chantes bien” (“I think you sing well”). De can appear with penser when talking about someone or something, as in “Que penses-tu de cette chanson ?” (“What do you think of this song?”), but not before “tu chantes.”

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