| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] for [noun] | 9607 |
|
| 2 | must be [verb] for | 340 |
|
| 3 | must be [verb] [noun] | 122 |
|
| 4 | must [verb] for [noun] | 69 |
|
| 5 | must be for [noun] | 20 |
|
