| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] to the | 288 |
|
| 2 | must be given to the | 40 |
|
| 3 | must be made to the | 22 |
|
| 4 | must be sent to the | 15 |
|
| 5 | must be paid to the | 13 |
|
| 6 | must be related to the | 11 |
|
| 7 | must be notified to the | 10 |
|
| 8 | must be submitted to the | 10 |
|
| 9 | must be added to the | 10 |
|
| 10 | must be had to the | 9 |
|
| 11 | must be attributed to the | 8 |
|
| 12 | must be returned to the | 8 |
|
| 13 | must be reported to the | 8 |
|
| 14 | must be referred to the | 7 |
|
| 15 | must be applied to the | 7 |
|
| 16 | must be supplied to the | 5 |
|
