| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] it [pers pn] [modal v] | 331 |
|
| 2 | [prep] it [pers pn] [vb mod] | 331 |
|
| 3 | [prep] [pron] [pers pn] must | 225 |
|
| 4 | [prep] it [pers pn] must | 9 |
|
| 5 | [prep] it [pers pn] must | 9 |
|
| 6 | [prep] it [pron] must | 9 |
|
