| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] [pers pn] is for | 14 |
|
| 2 | [verb] what [pers pn] is for | 14 |
|
| 3 | [verb] [Wh det] it is for | 13 |
|
| 4 | know [Wh det] [pers pn] is for | 5 |
|
