| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] a [det] | 148 |
|
| 2 | [vb past] a [det] years | 63 |
|
| 3 | [noun prp] a [det] years | 59 |
|
| 4 | [noun prp] [vb past] [det] years | 24 |
|
