| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb past] [verb] as [noun] | 24 |
|
| 2 | [Wh pn] [vb past] serve [prep] [noun] | 22 |
|
| 3 | [Wh pn] [vb past] serve [prep] [noun] | 22 |
|
| 4 | [pron] [vb past] serve as [noun] | 14 |
|
| 5 | [Wh pn] [vb past] serve as [noun] | 9 |
|
| 6 | [Wh pn] [verb] serve as [noun] | 9 |
|
