| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] [modal v] be [verb] | 928 |
|
| 2 | in [noun] [modal v] be [verb] | 835 |
|
| 3 | in [noun prp] [modal v] [be] [verb] | 309 |
|
