Final answer:
The sentence "Juan le pide a la maestra, '¿Puedo usar el baño?'" is grammatically correct.
Step-by-step explanation:
The sentence "Juan le pide a la maestra, '¿Puedo usar el baño?'" is grammatically correct.
In this sentence, Juan is asking the teacher, "Can I use the bathroom?" The sentence structure and word order are correct, and the correct form of the verb "poder" (to be able to) is used.
It is important to note that this sentence is in Spanish, not English.
Learn more about Spanish sentence structure