| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] [prep] [det] years | 14 |
|
| 2 | [Wh pn] [verb] for [det] years | 13 |
|
| 3 | [Wh pn] [vb past] [prep] [det] years | 12 |
|
| 4 | [Wh pn] [verb] [prep] many years | 9 |
|
| 5 | [Wh pn] have [prep] [det] years | 5 |
|
