Use doubtful in a sentence

Sentences starting with doubtful

Sentences ending with doubtful

Sentences with the word doubtful in them

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