Which statement is correct about forming negative questions?
a. the subject comes before the verb in a question.
b. the subject comes after the verb in a question.
c. put “no” after the verb when forming a question.

ancient india is often called the harappan civilization because one of the ancient cities was called harappa. harappa was just one of 1500 cities in the indus river valley. another well-known city is called mohenjo-daro. historians estimate ancient india to be the biggest of all four early civilizations.