If you want to write your own songs then knowing a tiny bit of music theory can really help. This image from [uke guides] [http://ukuguides.com/how-to/how-to-write-ukulele-songs-key-card/] shows you all the chords which you can use naturally in a song without it sounding off. It’s a great point of call if you just can’t work out what chord to play next.
It's based upon the first approach to position 1 for the Major Pentatonic Scale as this shows a much clearer comparison by using the same finger patterns as the minor pentatonic. Description from all-free-guitar-lessons.com. I searched for this on bing.com/images