| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] years [adv] [prep] a [noun] | 27 |
|
| 2 | [det] years [adv] [prep] a [noun sg] | 23 |
|
| 3 | [det] years ago [prep] a [noun] | 17 |
|
| 4 | [det] years ago [prep] a [noun] | 17 |
|
| 5 | some years [adv] [prep] a [noun] | 9 |
|
| 6 | many years [adv] [prep] a [noun] | 9 |
|
| 7 | [det] years [adv] by a [noun] | 6 |
|
| 8 | [det] years [adv] in a [noun] | 6 |
|
| 9 | [det] years [adv] [prep] a [noun prp] | 5 |
|
| 10 | few years [adv] [prep] a [noun] | 5 |
|
