| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [adv] served [prep] | 11 |
|
| 2 | [Wh pn] have [adv] served [prep] | 11 |
|
| 3 | [Wh pn] had [adv] served [prep] | 10 |
|
| 4 | [Wh pn] have [adv] served in | 5 |
|
| 5 | [Wh pn] have [adv] served in | 5 |
|
