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 student, class find school, primary school, educating, continuing education literacy, help college, educator, and homeschool.

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