This exercise will help you build dexterity in your fretting hand. Do each of these on every string.
1-2-3-4
1-2-4-3
1-3-2-4
1-3-4-2
1-4-2-3
1-4-3-2
2-3-4-1
2-4-3-1
2-4-1-3
2-1-3-4
2-3-1-4
2-1-4-3
3-4-1-2
3-1-2-4
3-2-4-1
3-4-2-1
3-1-4-2
3-2-1-4
4-1-2-3
4-3-1-2
4-1-3-2
4-2-1-3
4-2-3-1
4-3-2-1
G Major Scale Harmonizing in ThirdsE------------------------2-3-5-7--B--------------------3-5-3-5-7-8--G--------------2-4-5-4-5----------D--------2-4-5-4-5-7--------------A--2-3-5-3-5-7--------------------E--3-5-7--------------------------G Major Scale Harmonizing in Thirds up the NeckE-----------------B-----------------G-----------------D-----------------A--2-3-5-7-9--10--E--3-5-7-8-10-12--E-----------------B-----------------G-----------------D--0-2-4-5-7-9----A--2-3-5-7-9-10---E-----------------E-----------------B-----------------G--0-2-4-5-7-9----D--2-4-5-7-9-10---A-----------------E-----------------E---------------------B--0-1-3-5-7-8-10-12--G--0-2-4-5-7-9-11-12--D---------------------A---------------------E---------------------E--0-2-3-5-7--8-10--B--1-3-5-7-8-10-12--G-------------------D-------------------A-------------------E-------------------G Major Scale Harmonizing by SixthsE--------------------3-5-7-8-10-12--B--------------3-5-7-------5-7--8---G--------2-4-5-------4-5-7----------D--2-4-5-------4-5-7----------------A--------3-5-7----------------------E--3-5-7----------------------------