#2
Sounds like just two notes, figure those nots out and get the timing right... If that helps, lol...
#3
sounds like it around 13th fret b string heres a tab.

e|----------------------------------------
B|--15---15-------15------------------
G|--13b------13--13------------------
D|----------------------------------------
A|----------------------------------------
E|----------------------------------------


obviously just play around that area with them notes and the bends

NOTE - I HAVNT GOT MY GUITAR WITH ME SO THIS IS MOST LIKELY NOT ACCURATE