| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [adv] be [vb pp] [adj] | 23 |
|
| 2 | must [adv] be made [adj] | 9 |
|
| 3 | must [adv] be [vb pp] available | 6 |
|
| 4 | must also be [vb pp] [adj] | 6 |
|
| 5 | must [adv] be considered [adj] | 5 |
|
