Passive voice: "need to be able to work" - This expression uses the passive voice, emphasizing the abilities that teenagers need to have, rather than specific people or methods teaching these abilities, increasing the objectivity and universality of the sentence.
Present continuous: "They are on the verge of moving" - This expression uses the present continuous tense, describing the important transition that teenagers are about to go through, emphasizing the urgency and continuity of this process.
Conditional sentence: "if they are to study and work with other people successfully" - This conditional sentence describes the necessary condition for success, emphasizing the importance of teamwork skills, adding logic and depth to the sentence.