| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] by [adj] | 2594 |
|
| 2 | must be [verb] by | 795 |
|
| 3 | must be [verb] [adj] | 284 |
|
| 4 | must [verb] by [adj] | 5 |
|
