| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] for a | 24 |
|
| 2 | who [vb base] for a | 24 |
|
| 3 | who [vb base] for a | 19 |
|
| 4 | who [vb base] for an | 5 |
|
