| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] must be [vb pp] [adj] | 47 |
|
| 2 | [noun pl] must be kept [adj] | 16 |
|
| 3 | [noun pl] must be keep [adj] | 16 |
|
| 4 | [noun pl] must be make [adj] | 15 |
|
| 5 | [noun pl] must be made [adj] | 15 |
|
| 6 | [noun pl] must be given [adj] | 5 |
|
| 7 | [noun pl] must be [verb] available | 5 |
|
| 8 | [noun pl] must be give [adj] | 5 |
|
| 9 | [noun pl] must be [verb] clear | 5 |
|
