| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what it [modal v] be [prep] [to-vb] | 50 |
|
| 2 | what it must be [prep] [verb] | 10 |
|
| 3 | what it must [be] [prep] [to-vb] | 9 |
|
| 4 | what it must be [prep] [to-vb] | 9 |
|
| 5 | what it must be [prep] [to-vb] | 9 |
|
| 6 | [Wh det] it must be [prep] [to-vb] | 9 |
|
| 7 | what [pron] must be [prep] [to-vb] | 9 |
|
| 8 | [pron] it must be [prep] [to-vb] | 9 |
|
| 9 | what [pers pn] must be [prep] [to-vb] | 9 |
|
