| formerly(adverb, past, long, then, before) |
| before(adverb, back, long, then, once) |
| since(adverb, back, ago, in the past, ages ago) |
| later(adverb, long, then, yet, before) |
| once(adverb, long, then, before, formerly) |
| back(adverb, ago, since, in the past, ages ago) |
| then(adverb, long, before, once, formerly) |
| long(adverb, then, before, once, formerly) |
| eventually(adverb, long, then, before, once) |
| in the past(expression, adverb, back, past, ago) |
| never(adverb, long, then, before, once) |
| ages ago(expression, adverb, back, ago, since) |
| back when(expression, adverb, back, ago, since) |
| from way back(expression, adverb, back, ago, since) |
| from year one(expression, adverb, back, ago, since) |
| agone(adverb, back, ago, since, in the past) |
| since God knows when(expression, adverb, back, ago, since) |
| ago(adverb, back, since, in the past, ages ago) |
| finally(adverb, yet, sometime, someday, sooner) |
| someday(adverb, yet, finally, sometime, sooner) |