Put a capo on the fret and play an open shape. It sounds as Asus2.
7fretDsus2 shape
Strumming patterns to try
↓↓↓↓Four downsSteady, for learning changes
↓↓↑↑↓↑Folk / popThe everyday pattern
↓↓↑↓↑BalladSlow songs, 3/4 or 6/8
↑↑↑↑Reggae skankOff-beat chops
About the Asus2 chord
A suspended second is built from 3 notes: A (1), B (2), E (5). The lowest note you play should be the root, A, highlighted on the diagram. There are 12 ways to play it above, from the open position up the neck: start with the first, then pick whichever is closest to the chord you play before and after it.