What question should we ask to know what is the sentence and what is the predicate of a sentence?

Dear Student,

Kindly follow the link below to understand better what is a subject and what is a predicate:

https://www.meritnation.com/ask-answer/question/what-is-the-subject-and-a-predicatein-the-sentence-the-lady/sentence-and-phrase/2637525

Regards