| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had served in the [noun] | 25 |
|
| 2 | had serve in the [noun sg] | 10 |
|
| 3 | had serve in the [noun prp] | 8 |
|
| 4 | had serve in the [noun pl] | 6 |
|
