| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [det] years [adv] when | 26 |
|
| 2 | a [det] years [adv] when | 26 |
|
| 3 | [art] few years [adv] when | 25 |
|
| 4 | [art] [det] years ago when | 19 |
|
| 5 | [art] [det] years later when | 5 |
|
