| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [modal v] [verb] | 3197 |
|
| 2 | [verb] [pron] must [verb] | 1262 |
|
| 3 | [verb] [pers pn] must [verb] | 1189 |
|
| 4 | [verb] it must [verb] | 157 |
|
