| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] for [det] | 956 |
|
| 2 | must be [verb] for | 340 |
|
| 3 | must be [verb] [det] | 78 |
|
| 4 | must [verb] for [det] | 36 |
|
| 5 | must be for [det] | 5 |
|
