| 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 returned to the [noun] | 49 |
|
| 4 | [vb mod] be returned to the [noun] | 49 |
|
| 5 | must be returned [prep] the [noun] | 9 |
|
| 6 | must be returned [prep] the [noun] | 9 |
|
| 7 | must [be] returned to the [noun] | 7 |
|
| 8 | must be returned to the [noun] | 7 |
|
| 9 | must [be] returned to the [noun] | 7 |
|
| 10 | must be returned to the [noun] | 7 |
|
| 11 | must be returned to [art] [noun] | 7 |
|
| 12 | must be returned to the [noun] | 7 |
|
| 13 | must be returned to [art] [noun] | 7 |
|
| 14 | must be return to the [noun] | 7 |
|
| 15 | must be returned to the [noun] | 7 |
|
