| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] of a [noun sg] ago | 30 |
|
| 2 | [art] [noun] of a [noun sg] ago | 28 |
|
| 3 | [art] [noun sg] of a [noun sg] ago | 24 |
|
| 4 | a [noun] of a [noun sg] ago | 15 |
|
| 5 | [art] quarter of a [noun sg] ago | 15 |
|
| 6 | [art] quarter of a [noun sg] ago | 15 |
|
| 7 | [art] [noun] of a century ago | 15 |
|
| 8 | the [noun] of a [noun sg] ago | 14 |
|
| 9 | [art] [noun pl] of a [noun sg] ago | 5 |
|
