Question

Which of the following is an infinitive ?

Answer 1

An infinitive is a phrase that begins with "to"- it's the basis for all verbs. If you ever take Spanish class, you'll learn more infinitives than you ever wanted to know. In English, though, your answer here is "A", "to be". The others are verbs, but not the most basic form of the verbs.

Answer 2

An infinitive is something that starts with to. A.to be Is the only statement with to in it.