| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [noun pl] [modal v] [verb] | 87 |
|
| 2 | [verb] [prep] [noun pl] must [verb] | 21 |
|
| 3 | [vb pp] [prep] [noun] must [verb] | 20 |
|
| 4 | [vb pp] [prep] [noun pl] must [verb] | 8 |
|
