| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] [vb base] is for | 9 |
|
| 2 | what [pers pn] [vb base] is for | 8 |
|
| 3 | [Wh det] we [vb base] is for | 7 |
|
