Please help me with this task.

Find the multiword verbs in the following passage and indicate whether they are intransitive phrasal verbs, transitive phrasal verbs or prepositional verbs.
Jessica and Marvin (came down: intransitive phrasal verb) to (see the Watsons off: transitive phrasal verb). They had to (put up:transitive phrasal verb) the Watsons for the past week at their summer cottage and had (looked after:prepositional verb) them well. The plane was to (take off: intransitive phrasal verb) at three o’clock. They parked in an ugly concrete structure and (crossed over:intransitive phrasal verb) to the terminal where Jessica and Marvin helped the Watsons carry in their baggage. Marvin saw to it that they had plenty of reading material for the flight. The young man who (checked in: transitive phrasal and intransitive phrasal verb) the Watsons asked them if they wanted to (take out: transitive phrasal verb) additional baggage insurance, but they (turned down: intransitive phrasal verb) this offer. They had already (looked into: prepositional verb) the advantages of extra insurance and had (found out: transitive phrasal verb) that they didn’t need it. They didn’t (believe in: transitive phrasal verb) exercise insurance.