| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] must be [vb pp] to be | 10 |
|
| 2 | [noun pl] must be [vb pp] [prep] be | 10 |
|
| 3 | [noun pl] must be [vb pp] to be | 10 |
|
| 4 | [noun pl] must be [vb pp] [prep] be | 10 |
|
| 5 | [noun pl] must be seen [prep] be | 6 |
|
