| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] be in [art] [noun] | 57 |
|
| 2 | [pron] must be in [art] [noun] | 29 |
|
| 3 | they must be [prep] [art] [noun] | 15 |
|
| 4 | they must [be] in [art] [noun] | 7 |
|
| 5 | they must [be] in [art] [noun] | 7 |
|
| 6 | they must be in [art] [noun] | 7 |
|
