| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] a [det] | 551 |
|
| 2 | [verb] a [det] years | 167 |
|
| 3 | [verb] [vb pp] [det] years | 107 |
|
| 4 | [vb pp] a [det] years | 49 |
|
