Identify the alternatives below as ( T ) true or ( F ) false.
( ) The underlined word in “… it helps to know more about hot air balloons themselves.“ is a relative pronoun.
( ) The preposition in the following sentence “…keeping the balloon floating above the ground.” means that the balloon is floating over the ground.
( ) The words ‘actually’, ‘push’, and ‘major’ mean in Portuguese: ‘atualmente’, puxar’ and ‘maior’.
( ) The negative form of “A hot air balloon has three major parts: the basket, the burner, and the envelope.” is “A hot balloon doesn’t have three major parts: the basket, the burner, and the envelope.”
( ) The tense used in the question “Have you ever wondered what keeps a hot air balloon flying?”, is an example of Past Perfect.

Choose the alternative which presents the correct sequence, from top to bottom.