| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] a few years [adv] | 8 |
|
| 2 | [noun prp] [vb past] a few years [adv] | 7 |
|
| 3 | [noun prp] [vb past] a few years ago | 5 |
|
| 4 | [noun prp] [vb past] a few years ago | 5 |
|
