Use doubtful in a sentence

This page helps answer: how do I use the word doubtful in a sentence? How do you use doubtful in a sentence? Can you give me a sentence for the word doubtful? It may also be related to become a teacher, degree higher education, highschool, classrooms, example sentence, home school, and scholarships.

Example sentences with the word doubtful, a sentence example for doubtful, and doubtful in sample sentence.