Practising few chords
Practise these four simple chords. Begin by just strumming one chord on your guitar, then alternate from one new chord to another. When, you are at easy with the changes of the chords. Test yourself by following a strumming or using the arpeggio method.

The code of the chords used is that of the Anglo-Saxons, i.e : A = La B = Si C = Do D = Re E = Mi F = Fa G = Sol

The position of the fingers on the handle of your guitar corresponds to: t = thumb 1 = index 2 = major 3 = anulaire 4 = auricular