The document discusses questions that use "how many" and describe quantities. It explains that "how many" should always be used with plural nouns. Questions with "how many" can be answered using "there are" to indicate multiple people, animals or objects. Examples are provided of descriptions using "there is" for singular and "there are" for plural quantities. The document also provides examples of questions formed with "how many" and questions using "there is" or "there are".