| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] what [pers pn] | 3590 |
|
| 2 | [noun sg] [prep] what must | 50 |
|
| 3 | [noun sg] [prep] [pers pn] must | 48 |
|
| 4 | [prep] what [pers pn] must | 32 |
|
| 5 | [noun sg] what [pers pn] must | 10 |
|
