| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] can serve [prep] a [noun sg] | 9 |
|
| 2 | [pron] can serve as a [noun sg] | 9 |
|
| 3 | which can serve [prep] a [noun sg] | 5 |
|
| 4 | which can serve [prep] a [noun sg] | 5 |
|
| 5 | [Wh det] can serve [prep] a [noun sg] | 5 |
|
