| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [modal v] [verb] be [prep] | 21 |
|
| 2 | [adj] must [verb] be [prep] | 11 |
|
| 3 | that must [verb] [be] [prep] | 6 |
|
| 4 | that must [verb] be [prep] | 6 |
|
