first tab.. probably wrong somewhere ha
first part:
e -------------------------------------------------------|
B -------------------------------------------------------|
G -------4----------0----------2-----------0-------------|
D -----0---0------0---0------0---0-------0---0-----------|
A --0h2-2-2-2--0h2-2-2-2--0h2-2-2-2---0h2-2-2-2----------|
E -------------------------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/b/bombay_bicycle_club/if_i_could_tab.html ]
second part (probably a bit wrong):
e ------ ----- ------ -------- ----- ---------
B ---5-- ---5- ---0-- ---0-0-- ---0- ---0-0---
G ---0-- x6 ---0- x2 ---4-- x6 ---0-0-- ---2- x6 ---0-0---
D --2--- --0-- ---0-- ---0-0-- ---0- ---0-0---
A ------ ----- --2--- ----0--- --2-- ----0----
E ------ ----- ------ --3----- ----- --3------
beanz.