The TOEFL iBT tests your ability to understand and use English for academic purposes. There are four sections on the TOEFL, with special directions for each section.
The reading section tests your ability to understand reading passages like those in college textbooks. There are three passages on the short format and four passages in the long format. After each passage, you will answer 12-14 questions about it.
The listening section tests your ability to understand spoken english that is typical of interactions and academic speak on college campuses. During the test, you will listen to conversations, lectures and discussion, and answer questions about them. There are two conversations, two lectures, and two discussions on the short format and three conversations, three lectures, and three discussions on the long format.
The speaking section tests your ability to communicate in English in an academic setting. During the test, you will be prepared with six speaking questions. The questions ask for a response to a single question; a reading passage and a conversation; a reading passage and a lecture; a conversation or a lecture.
The writing section tests your ability to write essays in English similar to those that you would write in college courses. During the test; you will write one essay about an academic topic and one essay about a familiar topic.