Tips to pickout chords of songs for beginners
just follow these steps
1.first of all you must have the skill to distinguish whether a chord is a major chord or a minor chord. This requires little ear training and if you're with guitar chords for a while you should be able to do it.
2.when you have chosen the song that you've to pick chords out listen to the song and follow the bass line and find the key chord. it is usually the first chord of the song. This is very important. Play with guitar and make sure you got the correct chord.
3.If the chord you found out is a major chord, it probably follows major scale if the chord you found out is a minor chord it would probably follow a minor scale.
4.If you have got a major scale, say A major, A is the first note of the scale called root note. for C major C etc.. follow the rule below and write down the other notes of the scale
r , 1,1,1/2,1,1,1,1/2 steps
eg A , A+1 Step = B, B+1 = C# , C#+1/2 =D , E , F# , G# , A