You can view phrasal verbs in a few ways:
- Phrasal verbs are a difficult aspect of English.
- Phrasal verbs are a beautiful aspect of the development of English.
Regardless of the view you hold, you might find this video about some common phrasal verbs containing the verb 'pick' useful: http://goo.gl/qGf772
Can you think of any other 'pick' phrases? Do you have any questions about the examples in the video? I am happy to help. :)