| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so it [vb mod] be [noun prp] | 6 |
|
| 2 | so it [modal v] be [noun prp] | 6 |
|
| 3 | so it must be [noun prp] | 5 |
|
| 4 | so it must be [noun prp] | 5 |
|
