| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it must [be] [verb] | 67 |
|
| 2 | [adv] it must [be] [verb] | 62 |
|
| 3 | so it [modal v] [be] [verb] | 48 |
|
| 4 | so [pron] must [be] [verb] | 14 |
|
| 5 | so it must [be] [verb] | 6 |
|
| 6 | so it must [be] [verb] | 6 |
|
