| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a [noun] ago | 39 |
|
| 2 | over a [noun sg] ago | 39 |
|
| 3 | [prep] a decade ago | 28 |
|
| 4 | [prep] a decade ago | 28 |
|
| 5 | over a decade [adv] | 17 |
|
| 6 | over a decade ago | 9 |
|
| 7 | over [art] decade ago | 9 |
|
| 8 | over a decade ago | 9 |
|
| 9 | over [art] decade ago | 9 |
|
| 10 | over a decade ago | 9 |
|
