Phrasal verbs are the conversational forms of complex, formal verbs that most English students DON'T learn in school.
For example, in formal English, you'd say you contract a sickness...
But conversationally, native speakers say they come down with a sickness.
Phrasal verbs are the most commonly used, part of SPOKEN English...
And if you DON'T learn phrasal verbs, you will NOT understand natives or communicate naturally.
But, the BEST reason to learn phrasal verbs is because this native vocabulary develops ALL of your communication skills! They help you: