| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [adv] [prep] a [noun] [noun sg] | 32 |
|
| 2 | years ago [prep] a [noun] [noun] | 30 |
|
| 3 | years [adv] [prep] a [noun sg] [noun] | 19 |
|
| 4 | years [adv] [prep] a [noun prp] [noun] | 13 |
|
| 5 | years [adv] in a [noun] [noun] | 11 |
|
| 6 | years [adv] by a [noun] [noun] | 5 |
|
