| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] to the [noun] | 207 |
|
| 2 | must be [vb pp] to the [noun] | 203 |
|
| 3 | [modal v] be sent to the [noun] | 100 |
|
| 4 | must be sent [prep] the [noun] | 14 |
|
| 5 | must be sent [prep] the [noun] | 14 |
|
| 6 | must be sent to [art] [noun] | 10 |
|
| 7 | must be send to the [noun] | 8 |
|
| 8 | must be sent to the [noun] | 8 |
|
| 9 | must be sent to the [noun] | 8 |
|
| 10 | must [be] sent to the [noun] | 8 |
|
| 11 | must [be] sent to the [noun] | 8 |
|
