| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to serve a | 22 |
|
| 2 | have to serve a | 13 |
|
| 3 | [vb past] to serve a | 11 |
|
| 4 | [vb infin] to serve a | 10 |
|
| 5 | [vb base] to serve a | 6 |
|
| 6 | have to serve a | 6 |
|
