Utiliser "erst" dans une phrase

1. Not in the wine-shop did Madame Defarge confer with these ministers, but in the shed of the wood-sawyer, erst a mender of roads

2. I recollect having heard an old ballad sung that says, By bears be thou devoured, as erst

3. That erst did follow thy proud chariot wheels

4. As I sayd erst, whan comen is the May,