| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] as [art] | 416 |
|
| 2 | [prep] [v-ing] as [art] | 387 |
|
| 3 | [prep] serving [prep] [art] | 46 |
|
| 4 | [prep] serving [prep] [art] | 46 |
|
| 5 | [prep] serving as [art] | 15 |
|
| 6 | [prep] serving as [art] | 15 |
|
| 7 | [prep] serve as [art] | 15 |
|
